A serif is the little flat line at the top or bottom of a printed letter. In a "sans serif" font (which is French for "without serif") this little line is missing. See also "serif".
Without a doubt the best font and most widely accepted as the best thing since sliced fonts
n00b 1: Yo, check out that guys font, it's so dope, is it Times New Roman?
n00b 2: No fool, that shit's Old School, this is the modern script...The Microsoft Sans Serif shit man!