What is the meaning of Clamp?

A brace, band, or clasp for strengthening or holding things together.

An instrument used to temporarily shut off blood vessels, etc.

A parking enforcement device used to immobilise a car until it can be towed or a fine is paid; a wheel clamp.

A pile of materials to be heated in a controlled way, stacked or heaped together with fuel so that the fire permeates the pile; the material of interest may be bricks to be fired, ore for roasting, coal for coking, or wood to be charcoalized.

A compact pile of agricultural produce (such as root vegetables or silage) used for temporary storage (often covered with straw, earth, or both).

A piece of wood (batten) across the grain of a board end to keep it flat, as in a breadboard.

An electronic circuit that fixes either the positive or the negative peak excursions of a signal to a defined value by shifting its DC value.

To fasten in place or together with (or as if with) a clamp.

To hold or grip tightly.

To modify (a numeric value) so it lies within a specific range by replacing values outside the range with the closest value within the range.

To cover (vegetables, etc.) with earth.

To immobilise (a vehicle) by means of a wheel clamp.

A heavy footstep; a tramp.

To tread heavily or clumsily; to clump or clomp.

(medical) clamp

Source: wiktionary.org