What is Berth ?
Berth is (noun) 1. a place where a ship stays in a harbour There are no berths free the ferry will have to wait at anchor outside the harbour for a while. 2. to give someone or something a wide berth to avoid someone or something Dad is in a bad mood I’d give him a wide berth if I were you. 3. a bunk bed on a ship or train Do you want the upper or lower berth? (verb) (of a ship) to stay in a harbour The ship won’t berth until late this evening.
source: Easier English, Student Dictionary Upper Intermediate Level