Definition of loggerhead in English:



  • 1A reddish-brown turtle with a very large head, occurring chiefly in warm seas.

    Caretta caretta, family Cheloniidae

    • ‘A female loggerhead turtle, the size of a wardrobe, hovered round their heads looking for a place to put down.’
    • ‘The biggest problem is Caretta, a large loggerhead turtle.’
    • ‘She helped protect the endangered loggerhead and green turtles.’
    • ‘Yet Europe's largest refuge for the rare loggerhead turtle faces its gravest threat: the drunken British tourist.’
    • ‘Worst off of all of them is Australia's genetically distinct loggerhead turtle.’
    • ‘Early in the morning Jerry and I penetrated deep into the pre-sun depths and, turning a corner at the stern, came across a loggerhead turtle.’
    • ‘Animal tracks, such as those of this baby loggerhead turtle, are most easily seen in snow, mud, or sand.’
    • ‘I did, however, enjoy an ancient loggerhead turtle festooned with remoras and a hogfish in its distinctive night camouflage.’
    • ‘Fisher, a 150-pound loggerhead turtle, was released into the Atlantic Ocean in July of last year after being tagged by a satellite transmitter.’
    • ‘The second turtle, a loggerhead turtle, was taken in by aquarium personnel when it was still a hatchling.’
    • ‘WWF campaigners say the island is the second most important breeding ground for the loggerhead turtle.’
    • ‘My research focus is on the decline and potential extinction of loggerhead and leatherback sea turtles in the Pacific Ocean.’
    • ‘From the beach, we watch a loggerhead turtle swimming calmly through the clear turquoise water.’
    • ‘Both the leatherback and loggerhead turtle could face extinction within 10 to 30 years if international fishing practices are not dramatically altered, he added.’
    • ‘This is a specialized NGO, set up in 1983, with the main task to protect the loggerhead turtle in Greece.’
    • ‘Both the green turtle, which can weigh up to 205 kilograms, and the loggerhead turtle are now classified as endangered by the International Union for the Conservation of Nature.’
    • ‘Here you can see the southern bald eagle and Atlantic loggerhead turtle.’
    • ‘A loggerhead turtle, which has been carefully nursed back to health in a leading aquarium, yesterday took off for Spain where she may soon find romance.’
    • ‘Attracted by nighttime pool lights, a disoriented female loggerhead turtle finds its way into a residential swimming pool on Siesta Key, Sarasota, Florida.’
    • ‘The Atlantic loggerhead turtle is found in the waters off Canada's eastern coast.’
  • 2A widespread North American shrike, having mainly grey plumage with a black eyestripe, wings, and tail.

    Lanius ludovicianus, family Laniidae

    • ‘The butcher-bird is today's loggerhead shrike, found only rarely anywhere in Massachusetts now.’
    • ‘We also provided a $10,800 grant to fund the development and initial implementation of a Candidate Conservation Agreement for the Santa Catalina Island fox and the island loggerhead shrike.’
    • ‘Joshua trees are monicots, grotesquely oversized lilies, with contorted limbs and trunks armored with spikes, which are used skillfully by the loggerhead shrike to impale its prey.’
    • ‘The young also cross paths with the loggerhead shrike, a bird that impales its prey before eating.’
    • ‘While hiking, canoeing, kayaking, or eating a picnic lunch, watch for Gulf Coast spiny softshell turtles, loggerhead shrikes, pileated woodpeckers, Seminole bats, and spotted salamanders.’
  • 3archaic A foolish person.

    idiot, ass, halfwit, nincompoop, blockhead, buffoon, dunce, dolt, ignoramus, cretin, imbecile, dullard, moron, simpleton, clod
    View synonyms


  • at loggerheads

    • In violent dispute or disagreement.

      ‘councillors were at loggerheads with the government over the grant allocation’
      • ‘Africa and the European Union have been at loggerheads over how to address past injustices, including slavery and colonialism.’
      • ‘The row has divided the council with environmental officers at loggerheads with the commercial services department responsible for the work.’
      • ‘At other times the two have been at loggerheads.’
      • ‘Should I point to any pertinent debates where different interpretations put the issue of truth at loggerheads?’
      • ‘These North American basketball stars are at loggerheads as their teams prepare for tomorrow's Superbowl clash.’
      • ‘Until the dispute was resolved in his favour at Leeds High Court he had to continue sharing offices with his former colleagues, with whom he was at loggerheads.’
      • ‘The two countries have long been at loggerheads over their maritime boundary, a dispute that centres on the ownership of Mbana Island, in the Gulf of Guinea.’
      • ‘The two men had been at loggerheads over a long-running dispute about devolution.’
      • ‘Mr Bradbury was frequently at loggerheads with the county council, particularly in recent years when the council limited the number of pupils.’
      • ‘How does a person, much less a society, balance these things, which are often at loggerheads with one another?’
      in disagreement, at odds, at variance, in opposition, at cross purposes, out of step, quarrelling, clashing, at outs
      View synonyms


Late 16th century (in loggerhead (sense 3)): from dialect logger ‘block of wood for hobbling a horse’ + head.