Rowel: the revolving star on the back of a cowboy's spurs

Columella: the bottom part of the nose that separates the nostrils

Saddle: the rounded part on the top of a book of matches

Ophyron: the space between your eyebrows

Rasceta: the creases on the inside of your wrist

Purlicue: the space between the extended thumb and index finger

Nittles: the punctuation marks designed to denote swear words in comics

Ferrule: the metal band on the top of a pencil that holds the eraser in place

Peen: on a hammer, the end opposite the striking face

Obdormition: when an arm or a leg "goes to sleep" as a result of numbness caused by pressure on a nerve

Keeper: the loop on a belt that holds the end in place after it has passed through the buckle

Armsate: the hole in a shirt or a sweater through which you put your hand and arm