Umbraculiform \Um*brac`u*li*form\
([u^]m*br[a^]k"[-u]*l[i^]*f[^o]rm), a. [L. umbraculum any
thing that furnishes shade, a bower, umbrella (dim. of umbra
a shade) + -form.]
Having the form of anything that serves to shade, as a tree
top, an umbrella, and the like; specifically (Bot.), having
the form of an umbrella; umbrella-shaped.
[1913 Webster]
[1913 Webster]