Definition of level:

part of speech: verb

To make even; to lay flat; to bring to an equality; to point in taking aim; to aim, as a gun; to direct to an end; to aim at.

part of speech: noun

A plane surface; a plain; state of equality; the usual height or elevation; a carpenter's or mason's instr.

part of speech: adjective

Even; flat; in the same line; horizontal; equal in rank or degree.