I.
variant of by
II. ˈbī interjection
Etymology: Middle English by, of unknown origin
— used to lull a child
bye baby bunting
III. noun
( -s )
Etymology: alteration of by (II)
1. : a run made on a bowled ball that passes without touching or being touched by the batsman in cricket — compare leg bye , wide
2. : the position of a participant in a tournament who has no opponent after pairs are drawn and advances to the next round without playing
drew a first-round bye in the tennis tournament
IV. noun
( -s )
Etymology: by shortening & alteration
: by-water