Serif" src="http://typographydeconstructed.com/wp-content/uploads/2010/12/serif-white.gif" alt="Serif" width="190" height="190" />A stroke added as a stop to the beginning and end of the main strokes of a character.

mw Reference

Any of the short lines stemming from and at an angle to the upper and lower ends of the strokes of a letter.