by

1. preposition /baɪ/

a) Near or next to.

The mailbox is by the bus stop.

b) At some time before (the given time), or before the end of a given time interval.

Be back by ten oclock!

2. adverb /baɪ/

a) Along a path which runs by the speaker.

I watched as it passed by.

b) In the vicinity, near.

The was a shepherd close by.

3. adjective /baɪ/

Out of the way, subsidiary.

Ant: main, principal

4. noun /baɪ/

A pass