The Oxford Thesaurus An A-Z Dictionary of Synonyms - byprep.

1) near, beside, next to, close to, alongside: I park my car by my house. 2) via, by way of, through; past: I go home by High Wycombe. 3) by means of, on: I often travel by train. 4) before, not later than, sooner than: I have to leave by Monday. 5) during, at: We travel only by night. --adv. 6) Often, close by. near, nearby, at hand, close, about, around, Literary nigh: When she is close by I get a tingling sensation. 7) past, nearby: When he walked by I nearly died. 8) away, aside: We put by a little for a rainy day.