n.

1. 怪想；反覆無常
2. 小鉤；【解】鉤狀器官
3. 【音】四分音符

n.

1. Music,  Brit. a musical note having the time value of a quarter of a semibreve or half a minim, represented by a large solid dot with a plain stem.
2. a perverse or unfounded belief or notion.