noun
ground beef and pork mix
Refers to a mixture of ground beef and pork, commonly used in Japanese cooking for hamburg steaks, meatballs, etc. Often sold pre-mixed at supermarkets.
合い挽き肉でハンバーグを作った。
I made hamburg steak using a mix of ground beef and pork.
スーパーで合い挽きを200グラム買ってきた。
I bought 200 grams of ground beef and pork mix at the supermarket.
Abbreviated kanji form; less common and may be ambiguous.
Compound of 合い (ai, 'together, mixed') + 挽き (hiki, 'grinding'), from the verb 挽く (hiku, 'to grind'). The combination refers to grinding beef and pork together.