stilliform

stil·li·form

S0759500 (stĭl′ə-fôrm′)adj. Shaped like a drop; globular.
[Latin stilla, drop + -form.]

stilliform

(ˈstɪlɪˌfɔːm) adjrare having the shape of a drop or globule[C20: from Latin stilla a drop + -form]