ADJ. deep, deep-water | good, safe, sheltered | natural | busy | picturesque, pretty | fishing
VERB + HARBOUR have The town has a small natural harbour. | come into, go into, enter They entered the harbour with flags flying. | go out of, leave
HARBOUR + NOUN wall
PREP. in (a/the) ~ The fishing fleet is in harbour. the activity in the harbour | into (a/the) ~ The damaged vessel was towed into harbour. | out of a/the ~ We sailed out of the harbour at daybreak.
PHRASES the entrance to/the mouth of a harbour