[医] 柳叶刀形的, 披针形的(叶)

[ adj ]
(of a leaf shape) shaped like a lance head; narrow and tapering to a pointed apex
<adj.all>

Lanceolate \Lan"ce*o*late\, Lanceolated \Lan"ce*o*la`ted\a. [L.
lanceolatus: cf. F. lanc['e]ol['e]. See {Lanceolar}.] (Bot. &
Zo["o]l.)
Rather narrow, tapering to a point at the apex, and sometimes
at the base also; as, a lanceolate leaf.