colours

Noun

(nautical) Flag denoting the nationality of a vessel, flown from the stern.

Japanese Meaning

船尾に掲げられる、船の国籍を示す旗

The captain ordered the crew to lower the colours as the ship entered neutral waters.

船が中立水域に入ると、船長は乗組員に船尾の国籍旗を降ろすよう命じた。

Sense（1）

(nautical) Flag denoting the nationality of a vessel, flown from the stern.