noun
Refers to the hard outer covering of turtles, crabs, and similar animals.
亀の甲はとても硬い。
A turtle's shell is very hard.
noun
first rank; grade A; top class
Used in grading, ranking, or classification systems, often contrasted with 乙 (second) and 丙 (third).
成績は甲だった。
My grade was an A.
この酒は甲の品質だ。
This sake is top quality.
noun
instep; back of hand
Anatomical term for the upper surface of the foot or hand.
足の甲が痛む。
The instep of my foot hurts.
手の甲に日焼け止めを塗る。
Apply sunscreen to the back of your hands.
noun
first party; plaintiff; Party A
Legal term used in contracts and documents to designate the first party, often the plaintiff or the party of the first part. Contrasts with 乙 (second party).
See also: 乙 (おつ)
契約書では、甲は売主を指す。
In the contract, Party A refers to the seller.
甲の主張は認められ
The plaintiff's claim was not accepted.