腰のある

コシのある, こしのある, こしがある, コシがあるkoshinoaru

expression · noun or verb acting prenominally

1. pleasantly chewy (esp. noodles)
2. having a good bite
3. firm and elastic
4. having body (esp. hair)
5. springy and resilient
6. full-bodied (e.g. sound)

Study it in Yanamino