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flagelliform

American  
[fluh-jel-uh-fawrm] / fləˈdʒɛl əˌfɔrm /

adjective

Biology.
  1. long, slender, and flexible, like the lash of a whip.


flagelliform British  
/ fləˈdʒɛlɪˌfɔːm /

adjective

  1. slender, tapering, and whiplike, as the antennae of certain insects

"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 flagelliform

1820–30; < Latin flagell ( um ) a whip, scourge + -i- + -form