doornail
A nail with a wide head, traditionally used in the construction and ornamentation of…A nail with a wide head, traditionally used in the construction and ornamentation of wooden doors.
» The dog on the side of the road was as dead as a doornail.
Meaning
1 sensesA nail with a wide head, traditionally used in the construction and ornamentation of wooden doors.
a nail with a large head; formerly used to decorate doors
Examples
7 sentencesThe dog on the side of the road was as dead as a doornail.
Tom backed his car up to check, but the raccoon that he'd run over was as dead as a doornail.
Tom backed his car up to check, but the raccoon he had run over was dead as a doornail.
He's dead as a doornail, Tom.
He's as dead as a doornail.
Origin
From Middle English dore-nail, equivalent to door + nail.From Middle English dore-nail, equivalent to door + nail.
Wiktionary, CC BY-SA 4.0 · source