[1] : The Collaborative International Dictionary of English v.0.48

umbraculiform \umbrac`uliform\
   u^mbra^k"-uli^f^orm, 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

Umbraculiform >> U Words
Umbraculiform, definition of term: Umbraculiform
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