Source : Webster's Revised Unabridged Dictionary (1913)

Calycle \Cal"y*cle\, n. [L. calyculus small flower bud, calyx,
   dim. of calyx. See {Calyx}, and cf. {Calicle}.] (Bot.)
   A row of small bracts, at the base of the calyx, on the
   outside.

Source : WordNet®

calycle
     n 1: a group of bracts simulating a calyx as in a carnation or
          hibiscus [syn: {epicalyx}, {false calyx}, {calyculus}]
     2: a small cup-shaped structure (as a taste bud or optic cup or
        cavity of a coral containing a polyp) [syn: {calyculus}, {caliculus}]