calycinal,a.Bot.|kæˈlɪsɪnəl| [f. calycine + -al1.] = calycine 1. 1831J. Davies Manual Mat. Med. 453 Salicineæ..male flowers, calicinal scale supporting an unilocular ovary.1835Lindley Introd.Bot. (1848) I. 386 While the calycinal protuberance is making its appearance.