Dictionary of Computer and Internet Terms: serif
serif
the short finishing strokes of the letterforms in a roman typeface, present in I F A and absent in I F A (Figure 241). It is thought that the horizontal nature of serifs helps guide the reader's eye along the line of type. Contrast sans-serif.
Dictionary of Marketing Terms: serif
serif
short, delicate, decorative cross lines or tails at the ends of the main strokes in many letters and symbols in some typefaces.