船渠 is read as せんきょ (senkyo) and means dock.
せんきょ
senkyo
かんせんきょ
dry dock
ふなおさ
boatman
せんびん
ferry service
ふなばし
bridge (of a ship)
ふなぞこ
ship's bottom
ふね
counter for boat-shaped containers (e.g. of sashimi)
せんぱく
vessel
せんしゅ
shipowner
せんぷく
side or bottom of a ship
ふなたび
trip by boat
せんしつ
stateroom
ふなよい
seasickness