Wiktionary
square away
vb. 1 (context idiomatic English) To finish, complete, tidy or put in order. 2 (context nautical English) To square yards to make her run ''before the wind'', with the wind blowing straight from the stern.
WordNet
square away
v. put (things or places) in order; "Tidy up your room!" [syn: tidy, tidy up, clean up, neaten, straighten, straighten out]