Of land, a body of water, etc.: below or relatively close to sea level, low-lying; (also) flat, not hilly or mountainous.

gen. Of, relating to, or inhabiting a lowland or lowlands (see sense A. 2). Now also in plural.

Of local situation: Low-lying, not elevated.

Of, from, or relating to low-lying land, esp. the low-lying part of a particular region or country (cf. senses A. 2b A. 2c A. 2d).

Lying in a hollow or depression (cf. bottom, n. 6); low-lying.

Lying or situated at a lower level, at or near the base (e.g. of a mountain).

With present participle forming adjective, as flat-lying.

Chiefly U.S. regional (esp. New England), Australian, and in South Asia. Of, relating to, or situated in a lower-lying and typically more densely…