The Collaborative International Dictionary of English v.0.48:
Calceolate \Cal"ce*o*late\, a. [See Calceolaria.] Slipper-ahaped. See Calceiform. [1913 Webster]WordNet (r) 3.0 (2006):
calceolate adj 1: of slipper-shaped blossoms; "the calceiform lip of certain orchids" [syn: calceolate, calceiform]