1. To cover as if with a blanket; as of snow.
2. To form a blanket-like cover (over).

To make or form a layer

(Irregular preterit, past participle: overlaid).
To put something on top of something else; SYN. cover.

1. To lie upon; lie on top of
2. To kill by lying on; SYN. overlay.

To place on top of; SYN. lay over.

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

1. To cover as if with a blanket; as of snow.
2. To form a blanket-like cover (over).

To combine (a radio frequency wave) with a locally generated wave of a different frequency so as to produce a new frequency equal to the sum or the difference between the two.