- hook, crotchet - a sharp curve or crook; a shape resembling a hook
--1 is a kind of curve, curved shape
--1 has particulars: uncus - quarter note, crotchet - a musical note having the time value of a quarter of a whole note
--2 is a kind of note, musical note, tone
- oddity, queerness, quirk, quirkiness, crotchet - a strange attitude or habit
--3 is a kind of unfamiliarity, strangeness
- crotchet - a small tool or hook-like implement
--4 is a kind of hook