\KROCH-it\ , noun;
1.An odd fancy or whimsical notion.
2.A small hook.
3.In British musical nomenclature, a quarter note.
4.A curved surgical instrument with a sharp hook.
MacGyver could join the first three definitions of crotchet together in a short half hour episode to kill the bad guy and save the damsel in distress. He’d get a crazy whimsical crotchet and then use a fish hook to drag a box of matches nearby so he could light the dynamite he made out of pure British musical nomenclature. What a guy.