Entry 2 senses · 2 variants Webster, 1913 Sorosis · So·ro·sis · IPA n. n. 01 n. A woman's club; an association of women. 1. A woman's club; an association of women.[U. S.] 02 n. A fleshy fruit formed by the consolidation of many flowers with their receptacles, ovaries, etc., as the breadfruit, mulberry, and pineapple. 1. A fleshy fruit formed by the consolidation of many flowers with their receptacles, ovaries, etc., as the breadfruit, mulberry, and pineapple.(Bot.)