also: じょうせんば
noun
boarding area for boats; embarkation point
Refers to the designated place where passengers board a boat or ferry, such as a pier, dock, or terminal.
フェリーの乗船場はあちらの建物です。
The ferry boarding area is in that building over there.
乗船場で切符を買ってから船に乗ってください。
Please buy a ticket at the embarkation point before boarding the boat.
Compound of 乗船 (じょうせん, 'boarding a ship') + 場 (じょう/ば, 'place'). The reading じょうせんじょう uses the on'yomi for both kanji, while じょうせんば uses a mixed reading with the kun'yomi for 場.