Dictionary.com
Thesaurus.com

fibriform

American  
[fahy-bruh-fawrm, fib-ruh-] / ˈfaɪ brəˌfɔrm, ˈfɪb rə- /

adjective

  1. of the form of a fiber or fibers.


fibriform British  
/ ˈfaɪbrɪˌfɔːm, ˈfɪb- /

adjective

  1. having the form of a fibre or fibres

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of fibriform

First recorded in 1840–50; fibr- + -i- + -form