قاموس اللغة الإنجليزية

A kind of broad chisel for sinking shafts.

To perforate (the skull) with a trepan, so as to remove a portion of the bone, and thus relieve the brain from pressure or irritation; to perform an operation with the trepan.

A snare; a trapan.

a deceiver; a cheat.

To insnare; to trap; to trapan.

Any one of several species of large holothurians, some of which are dried and extensively used as food in China; -- called also beche de mer, sea cucumber, and sea slug.

To trepan.

of Trepan

One who trepans.

of Trepan

A trebuchet.

An instrument for trepanning, being an improvement on the trepan. It is a circular or cylindrical saw, with a handle like that of a gimlet, and a little sharp perforator called the center pin.

To perforate with a trephine; to trepan.

of Trephine

of Trephine

Trembling; quaking.

An involuntary trembling, sometimes an effect of paralysis, but usually caused by terror or fear; quaking; quivering.

Hence, a state of terror or alarm; fear; confusion; fright; as, the men were in great trepidation.

A libration of the starry sphere in the Ptolemaic system; a motion ascribed to the firmament, to account for certain small changes in the position of the ecliptic and of the stars.

Trepidation.