Translation guide
The term 'mother ship' refers to a large vessel that serves as a base for smaller craft. In Japanese, the most common equivalent is 母船 (ぼせん), used in both literal and figurative contexts. Other terms exist for specific technical or sci-fi uses.
To refer to a ship that acts as a base, supply, or command center for smaller boats, submarines, or aircraft.
The standard term for a mother ship in maritime, naval, and general contexts. It directly translates to 'mother ship' and is widely understood.
その漁船団は母船を中心に操業している。
The fishing fleet operates around the mother ship.
Literally 'mother warship', used specifically for naval vessels that serve as a base for smaller craft, such as aircraft carriers or submarine tenders. More technical than 母船.
この潜水艦は母艦から補給を受ける。
This submarine receives supplies from the mother ship.
To describe an organization, vehicle, or system that acts as a hub or base for smaller units, often in business, technology, or science fiction.
Also used figuratively for any large entity that controls or supports smaller ones, such as a company headquarters or a main spacecraft.
そのスタートアップは大企業の母船のもとで成長した。
The startup grew under the wing of the large corporation's mother ship.
A loanword from English, used mainly in science fiction or gaming contexts to refer to a large alien or futuristic mother ship. Not common in everyday language.
映画の中で、巨大なマザーシップが地球を攻撃した。
In the movie, a giant mother ship attacked Earth.
母船 (ぼせん) is the general term for any mother ship, including civilian and figurative uses. 母艦 (ぼかん) is specifically a naval vessel that tends to smaller warships or aircraft, such as an aircraft carrier (航空母艦) or submarine tender (潜水母艦). Use 母船 unless the context is strictly military.
航空母艦は空母とも呼ばれる。
An aircraft carrier is also called a 'carrier'.
In English, 'mother ship' can be used humorously or metaphorically for a main office or headquarters. In Japanese, 母船 can be used similarly, but it may sound odd if overused. For a company headquarters, 本社 (ほんしゃ) is more natural unless you want a sci-fi or playful tone.