Ascarid :: Ascarid (n.) A parasitic nematoid worm, espec. the roundworm, Ascaris lumbricoides, often occurring in the human intestine, and allied species found in domestic animals; also commonly applied to the pinworm (Oxyuris), often troublesome to children and aged persons..
Cantharidin :: Cantharidin (n.) The active principle of the cantharis, or Spanish fly, a volatile, acrid, bitter solid, crystallizing in four-sided prisms..
Imparidigitate :: Imparidigitate (a.) Having an odd number of fingers or toes, either one, three, or five, as in the horse, tapir, rhinoceros, etc..
Lucernarida :: lucernarida (n. pl.) A division of acalephs, including Lucernaria and allied genera; -- called also Calycozoa..
Lucernarida :: lucernarida (n. pl.) A more extensive group of acalephs, including both the true lucernarida and the Discophora..
Neocarida :: Neocarida (n. pl.) The modern, or true, Crustacea, as distinguished from the Merostomata..
Planarida :: Planarida (n. pl.) A division of Turbellaria; the Dendrocoela.
Sigillarid :: Sigillarid (n.) One of an extinct family of cryptagamous trees, including the genus Sigillaria and its allies..
Siphonarid :: Siphonarid (n.) Any one of numerous species of limpet-shaped pulmonate gastropods of the genus Siphonaria. They cling to rocks between high and low water marks and have both lunglike organs and gills.
Tubularida :: Tubularida (n. pl.) An extensive division of Hydroidea; the tubularians; -- called also Athecata, Gymnoblastea, and Tubulariae..