Through

1. a. 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.
2. prep. 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.
3. prep. Between the sides or walls of; within; as, to pass through a door; to go through an avenue.
4. prep. By means of; by the agency of.
5. prep. Over the whole surface or extent of; as, to ride through the country; to look through an account.
6. prep. Among or in the midst of; — used to denote passage; as, a fish swims through the water; the light glimmers through a thicket.
7. prep. From the beginning to the end of; to the end or conclusion of; as, through life; through the year.
8. adv. From one end or side to the other; as, to pierce a thing through.
9. adv. From beginning to end; as, to read a letter through.
10. adv. To the end; to a conclusion; to the ultimate purpose; as, to carry a project through.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.