also: おおくち
big mouth; wide-open mouth
Refers to a physically large mouth or a mouth opened wide. Often used in set phrases like 大口を開ける.
The lion yawned with its mouth wide open.
Refers to boastful or exaggerated speech. Common in phrases like 大口を叩く (to talk big).
He always talks big, but in reality he can't do anything.
noun, noun which may take the genitive case particle 'no'
large amount; large quantity; bulk
Used for large orders, transactions, or quantities, especially in business contexts. Antonym: 小口 (small lot).
Antonyms: 小口 (こぐち)
We received a large order.
There is a discount for bulk transactions.
A large order came in from that company.
He is a major customer of our store.
The baby yawned with its mouth wide open.