any of several North American titmice of the genus Psaltriparus, which construct long, pendent nests.
Origin of bush tit
An Americanism dating back to 1880–85
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
any small grey active North American songbird of the genus Psaltriparus, such as P. minimus (common bushtit): family Paridae (titmice)
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