any of several large turtles of the families Cheloniidae and Dermochelyidae, widely distributed in tropical and subtropical seas, having the limbs modified into paddlelike flippers: all sea turtles are either threatened or endangered through most of their range because of ocean pollution.
noun, Education. 1. work that can be done by a child at his or her seat in school without supervision.
seatworm seat·worm (sēt’wûrm’) n. See pinworm.
noun 1. any echinoderm of the class Echinoidea, having a somewhat globular or discoid form, and a shell composed of many calcareous plates covered with projecting spines. 2. a tall evergreen shrub or small tree, Hakea laurina, of Australia, having narrow leaves and dense, globe-shaped clusters of crimson flowers with long yellow stamens. noun 1. […]
- Sea vegetable
noun 1. an edible seaweed