Definition of tunicate in English:

tunicate

noun

Zoology
  • A marine invertebrate of a group that includes the sea squirts and salps. They have a rubbery or hard outer coat and two siphons to draw water into and out of the body.

    • ‘Are there potential uses for antimicrobial peptides from tunicates?’
    • ‘The hull is covered with more long and delicate plumose anemones, some large white tunicates and forests of featherworms projecting into the negligible current on their long stalks.’
    • ‘Sea squirts are tunicates, a type of sea life with a primitive spinal cord and a firm, flexible outer covering called a ‘tunic,’ from which the name derives.’
    • ‘The hull here is rich in marine life - hydroids, tunicates, anemones and sponges.’
    • ‘Many tunicates have a larva that is free-swimming and exhibits all chordate characteristics: it has a notochord, a dorsal nerve cord, pharyngeal slits, and a post-anal tail.’

adjective

Botany
  • (of a plant bulb, e.g., an onion) having concentric layers.

Origin

Mid 18th century: from Latin tunicatus, past participle of tunicare clothe with a tunic from tunica (see tunica).

Pronunciation:

tunicate

/ˈt(y)o͞onəˌkāt/