pre-noun adjectival
pierced; drilled; perforated; hollow
Pre-noun adjectival describing something that has a hole or holes, either naturally or made by drilling/piercing. Often used for items like coins, tickets, or materials.
See also: 穴あき銭 (あなあきせん)
Pierced coins may not be usable.
We collected the punched tickets.
holey cheese; cheese with holes
Standard spelling using okurigana; the most common written form.
Alternate kanji spelling using 開く; less common but still encountered.
Rare kanji spelling using 明く; mostly seen in historical or specialized contexts, e.g., 穴明き銭.
Compound of 穴 (あな, 'hole') and あき, the noun form of 開く (あく, 'to open'). Literally 'hole-opening', referring to something that has a hole.