silverback

[ sil-ver-bak ]
/ ˈsɪl vərˌbæk /

noun

an older male gorilla, usually the leader of a troop, whose hairs along the back turn gray with age.

Origin of silverback

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for silverback

British Dictionary definitions for silverback

silverback
/ (ˈsɪlvəˌbæk) /

noun

an older male gorilla with grey hair on its back
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