Through.
Thoroughly.
Passing through; as, thorough lights in a house.
A furrow between two ridges, to drain off the surface water.
A fife; also, a rude kind of oboe or a bagpipe with an inflated skin for reservoir.
Passing through or to the end; hence, complete; perfect; as, a thorough reformation; thorough work; a thorough translator; a thorough poet.