| trilobate | (adj) (of a leaf shape) divided into three lobes, Syn. three-lobed, trilobated, trilobed |
| trilobite | (n) an extinct arthropod that was abundant in Paleozoic times; had an exoskeleton divided into three parts |
| cranberry bush | (n) deciduous North American shrub or small tree having three-lobed leaves and red berries, Syn. Viburnum trilobum, highbush cranberry, cranberry tree, American cranberry bush |
| flowering almond | (n) deciduous Chinese shrub or small tree with often trilobed leaves grown for its pink-white flowers, Syn. Prunus triloba |
| pawpaw | (n) small tree native to the eastern United States having oblong leaves and fleshy fruit, Syn. Asimina triloba, papaw, papaw tree |
| squawbush | (n) deciduous shrub of California with unpleasantly scented usually trifoliate leaves and edible fruit, Syn. skunkbush, Rhus trilobata, squaw-bush |
| Trilobate | a. [ Pref. tri- + lobate. ] Having three lobes. [ 1913 Webster ] |
| Trilobation | n. The state of being trilobate. [ 1913 Webster ] |
| Trilobed | a. [ Pref. tri- + lobe. ] Same as Trilobate. [ 1913 Webster ] |
| Trilobita | ‖n. pl. [ NL. ] (Paleon.) An extinct order of arthropods comprising the trilobites. [ 1913 Webster ] |
| Trilobite | n. [ Cf. F. trilobite. See Trilobate. ] (Paleon.) Any one of numerous species of extinct arthropods belonging to the order Trilobita. Trilobites were very common in the Silurian and Devonian periods, but became extinct at the close of the Paleozoic. So named from the three lobes usually seen on each segment. [ 1913 Webster ] |
| Trilobitic | a. Of, pertaining to or containing, trilobites; as, trilobitic rocks. [ 1913 Webster ] |