/throoh owt"/ , prep.
1. in or to every part of; everywhere in: They searched throughout the house.
2. from the beginning to the end of: He was bored throughout the play.
adv.
3. in every part: rotten throughout.
4. at every moment or point: following the text closely throughout.
[ bef. 1000; ME throw out, OE thurh ut through and out the other side (of). See THROUGH, OUT ]