SERIF: A slight projection finishing off a stroke of a letter in certain typefaces. A small decorative line added as establishment to the basic form of character. In typography, a serif is the small extra stroke found at the end of the main vertical and horizontal strokes of some letters. Times Roman is one example of a serif font. SERIF CONSTRUCTION: The shapes of serifs vary, but they are generally described as: Hairline serifs:Hairline serifs are much thinner than the main strokes. Square or slab serifs:Square or slab serifs are thicker than hairline serifs and can even be a heavier weight than the main stroke. Wedge serifs:Wedge serifs are triangular in shape. IMAGE FOR SERIF: SANSSERIF: Sansserif pronounced as SAN-SERR-if. Typeface that (unlike a Serif type) does not have extensions at the letter's termination points. Sans serif type lends a clean and sharp appearance to t...