Definition of sciurid in US English:

sciurid

noun

Zoology
  • Any of numerous rodents constituting the family Sciuridae, which comprises the true squirrels (tree squirrels, flying squirrels, ground squirrels, marmots, and related forms); a squirrel.

adjective

Zoology
  • Of or relating to squirrels or the family Sciuridae; characteristic of sciurids.

Origin

Early 20th century. From scientific Latin Sciurus, genus name + -id, after scientific Latin Sciuridae, family name.

Pronunciation

sciurid

/ˈsʌɪjʊrɪd/