a. and sb. [f. mod.L. Limnacea (see below), for *Limnæacea, f. LIMNÆA: see -ACEAN.] a. adj. Pertaining to the Limnacea, one of the three families of Pulmobranchiata in De Blainville’s classification. b. sb. A gasteropod of the family Limnacea; a pond-snail (Cent. Dict.). Also Limnaceous a. = prec. adj. (Mayne, Expos. Lex., 1855).
