a hinge having a flap, especially a long one, attached to one face of a door or the like.
Origin of strap-hinge
First recorded in 1730–40
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a hinge with a long leaf or flap attached to the face of a door, gate, etc
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