gonIdæ

pl. [Mod. Lat. pycnogon(um); Lat. pyc-nô-gòn-i-dạ, pỹc-no-gòn-a-ta, péc-nofem. pl. adj. suff. -idæ, or neut. -ida, -ata.] Zool .: An aberrant family or tribe of Arachnid a, consisting of marine animals, having the abdomen rudimentary, and four pairs of legs enormously long and many-jointed. ( Huxley .) Balfour considers the family of doubtful affinities. Some believe them Crustaceans. Parasitic or in depend. ently among stones and sea-weeds on sea-beaches, or among rocks, corals, ., in deep water. Called also Podosomata and Pantopoda. IMG:content-0013.jpg:[blocks in formation] meter.] pc-năm-ě-tër, subst . [Pref. pycno-, and Eng. Chemistry: An instrument for determining the specific gravities of aerated mineral waters.