an American swift, Chateura pelagica, which often builds its nest in an unused chimney.
Origin of chimney swift
First recorded in 1840–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a North American swift, Chaetura pelagica, that nests in chimneys and similar hollows
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