n. a lightweight handheld collapsible canopy
n. a formation of military planes maintained over ground operations or targets
n. having the function of uniting a group of similar things
s. covering or applying simultaneously to a number of similar items or elements or groups
n. 伞, 雨伞, 保护伞
a. 伞的, 包罗万象的
vt. 用伞遮掩