- having a broad, deeply cleft beak or bill, as the swallows and goatsuckers.
- (of the bill) deeply cleft.
Origin of fissirostral
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- (of the beaks of some birds) broad and deeply cleft
- having such a beak, as swifts and swallows
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