Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
glăbellus, a, um, adj. dim. [glaber], without hair, smooth (post-class.): corpus Cupidinis, App. M. 5, p. 168, 28: feminal, id. ib. 2, p. 122, 11: Apollo corpore glabellus, id. Flor. 1, p. 341; Mart. Cap. 2, 34.