1. Entasser.
2. (Pron.) S'ajouter.
(Irregular preterit, past participle: overlaid).
To put something on top of something else; SYN. cover.
1. To lay upon, as one kind of rock on another.
2. To lay (a figure) upon another in such a manner that all the parts of the one coincide with the parts of the other; to superimpose