| By-pass | n. (Mech.) A by-passage, for a pipe, or other channel, to divert circulation from the usual course. [ 1913 Webster ] |
| By-passage | n. A passage different from the usual one; a byway. [ 1913 Webster ] |
| By-past | a. Past; gone by. “By-past perils.” Shak. [ 1913 Webster ] |