本ほん船せん

noun

mother ship; main vessel

Refers to the primary ship in a fleet or operation, often in contrast to smaller boats or auxiliary vessels.

• 本ほん船せんは港みなとに停てい泊はくしている。

  The mother ship is anchored in the port.

noun

this ship; our ship

Used in maritime or business contexts to refer to the ship currently being discussed or operated, similar to 'this vessel'.

• 本ほん船せんは明日あした、横よこ浜はまを出しゅっ港こうします。

  This ship will depart Yokohama tomorrow.