[ verb oh-ver-ley; noun oh-ver-ley ]
/ verb ˌoʊ vərˈleɪ; noun ˈoʊ vərˌleɪ /

verb (used with object), o·ver·laid, o·ver·lay·ing.


Origin of overlay

Middle English word dating back to 1250–1300; see origin at over-, lay1

Definition for overlay (2 of 3)

[ oh-ver-ley ]
/ ˌoʊ vərˈleɪ /


simple past tense of overlie.

Definition for overlay (3 of 3)

[ oh-ver-lahy ]
/ ˌoʊ vərˈlaɪ /

verb (used with object), o·ver·lay, o·ver·lain, o·ver·ly·ing.

to lie over or upon, as a covering or stratum.
to smother (an infant) by lying upon it, as in sleep.

Origin of overlie

First recorded in 1125–75, overlie is from the Middle English word overlien, overliggen. See over-, lie2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for overlay

British Dictionary definitions for overlay (1 of 2)


verb (ˌəʊvəˈleɪ) -lays, -laying or -laid (tr)

noun (ˈəʊvəˌleɪ)

British Dictionary definitions for overlay (2 of 2)

/ (ˌəʊvəˈlaɪ) /

verb -lies, -lying, -lay or -lain (tr)

to lie or rest uponCompare overlay
to kill (a baby or newborn animal) by lying upon it
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