serif definition by Webster's New World
Origin: Dutch schreef, a stroke, line ; from schrijven, to write ; from Classical Latin scribere: see scribe
serif definition by American Heritage Dictionary
Origin: Perhaps from Dutch schreef, line, from Middle Dutch scrēve, from scriven, to write, from Latin scrībere; see skrībh- in Indo-European roots.
sans serif typeface (left ) and serif typeface (right)
serif - Computer Definition
Short horizontal lines added to the tops and bottoms of traditional typefaces, such as Times Roman. Contrast with sans-serif.