tiddly suit

(nautical) A sailor's best uniform, often tailored and not strictly to regulation.

Japanese Meaning

船乗りが最も誇りに思う、仕立ての良い（必ずしも規定に沿っていない）制服。

He polished his tiddly suit until the brass buttons shone, determined to make an impression at the captain's inspection.

彼は海軍の礼装を真鍮のボタンが輝くまで磨き、船長の検査で好印象を与えようと決意した。

Sense（1）

(nautical) A sailor's best uniform, often tailored and not strictly to regulation.

tiddly suits

（ plural ）