from end to end of, or from side to side of; from one surface or limit of, to the opposite; into and out of at the opposite, or at another, point; as, to bore through a piece of timber, or through a board; a ball passes through the side of a ship.-between the sides or walls of; within; as, to pass through a door; to go through an avenue.-by means of; by the agency of.-over the whole surface or extent of; as, to ride through the country; to look through an account.-among or in the midst of; -- used to denote passage; as, a fish swims through the water; the light glimmers through a thicket.-from the beginning to the end of; to the end or conclusion of; as, through life; through the year.-from one end or side to the other; as, to pierce a thing through.-from beginning to end; as, to read a letter through.-to the end; to a conclusion; to the ultimate purpose; as, to carry a project through.-going or extending through; going, extending, or serving from the beginning to the end; thorough; complete; as, a through line; a through ticket; a through train.  also, admitting of passage through; as, a through bridge.