achilary
adjective
achi·la·ry
(ˈ)ā-¦kī-lə-rē,
ə-ˈkī-
: having the labellum or lip of the flower undeveloped or lacking as in some orchids
Word History
Etymology
a- entry 2 + chil- + -ary
First Known Use
circa 1902, in the meaning defined above