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Webster 1913 Edition

Noun.

[NL. See

A woman’s club; an association of women.

[U. S.]

‖

Noun.

[NL., fr. Gr. [GREEK] a heap.]

(Bot.)

A fleshy fruit formed by the consolidation of many flowers with their receptacles, ovaries, etc., as the breadfruit, mulberry, and pineapple.

sorosis ‎(plural soroses)

(botany) Any multiple fleshy fruit that is derived from the ovaries of multiple flowers
(dated) A women's club; a society to further the educational and social activities of women.
- 1869, Putnam's Magazine (volume 3, page 640)
  Yet these women were not a clique, nor a sect, nor a Sorosis, but all our wives, and sisters, and daughters, and lovers. They were just the common lot […]
- 1890, John Van Valkenburg, Jewels of Pythian Knighthood
  They gathered up all the privacies of the city and poured them into his ear, and his family became a sorosis, or female debating society of seven hundred, discussing, day after day, all the difficulties between husbands and wives […]