Clamp \Clamp\ (kl[a^]mp), v. t. [imp. & p. p. Clamped (kl[a^]mt; 215) p. pr. & vb. n. Clamping.]

1. To fasten with a clamp or clamps; to apply a clamp to; to place in a clamp.

2. To cover, as vegetables, with earth. [Eng.]

Source: Webster's Revised Unabridged Dictionary (1913)
 

Clamp \Clamp\, n. [Prob. an imitative word. Cf. Clank.]

A heavy footstep; a tramp.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Clamp \Clamp\, v. i. To tread heavily or clumsily; to clump.

The policeman with clamping feet. --Thackeray.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Clamp \Clamp\ (kl[a^]mp), n. [Cf. LG. & D. klamp, Dan. klampe, also D. klampen to fasten, clasp. Cf. Clamber, Cramp.]

1. Something rigid that holds fast or binds things together; a piece of wood or metal, used to hold two or more pieces together.

2.
   (a) An instrument with a screw or screws by which work is held in its place or two parts are temporarily held together.
   (b) (Joinery) A piece of wood placed across another, or inserted into another, to bind or strengthen.

3. One of a pair of movable pieces of lead, or other soft material, to cover the jaws of a vise and enable it to grasp without bruising.

4. (Shipbuilding) A thick plank on the inner part of a ship's side, used to sustain the ends of beams.

5. A mass of bricks heaped up to be burned; or of ore for roasting, or of coal for coking.

6. A mollusk. See Clam. [Obs.]

Clamp nails, nails used to fasten on clamps in ships.

Source: Webster's Revised Unabridged Dictionary (1913)