What's the difference between crotchet and semiquaver?

Crotchet

Definition:

• (n.) A forked support; a crotch.
• (n.) A time note, with a stem, having one fourth the value of a semibreve, one half that of a minim, and twice that of a quaver; a quarter note.
• (n.) An indentation in the glacis of the covered way, at a point where a traverse is placed.
• (n.) The arrangement of a body of troops, either forward or rearward, so as to form a line nearly perpendicular to the general line of battle.
• (n.) A bracket. See Bracket.
• (n.) An instrument of a hooked form, used in certain cases in the extraction of a fetus.
• (n.) A perverse fancy; a whim which takes possession of the mind; a conceit.
• (v. i.) To play music in measured time.

Example Sentences:

• (1) I used to colour in crotchets with my tongue out" – he mimes a pose of schoolboyish concentration – "but a few years ago I finally sped up."
• (2) 8.03pm BST The plucky strings are basically Mel and Sue made into quavers and crotchets.
• (3) Six share third place: three classical music specialists, Crotchet , MDT and Presto Classical .

Semiquaver

Definition:

• (n.) A note of half the duration of the quaver; -- now usually called a sixsteenth note.

Example Sentences: