The Collaborative International Dictionary of English v.0.48:

Font \Font\, n. [F. fonte, fr. fondre to melt or cast. See
   Found to cast, and cf. Fount a font.] (Print.)
   A complete assortment of printing type of one size, including
   a due proportion of all the letters in the alphabet, large
   and small, points, accents, and whatever else is necessary
   for printing with that variety of types; a fount.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Font \Font\, n. [AS. font, fant, fr. L. fons, fontis, spring,
   fountain; cf. OF. font, funt, F. fonts, fonts baptismaux, pl.
   See Fount.]
   1. A fountain; a spring; a source.
      [1913 Webster]

            Bathing forever in the font of bliss. --Young.
      [1913 Webster]

   2. A basin or stone vessel in which water is contained for
      baptizing.
      [1913 Webster]

            That name was given me at the font.   --Shak.
      [1913 Webster]

WordNet (r) 3.0 (2006):

font
    n 1: a specific size and style of type within a type family
         [syn: font, fount, typeface, face, case]
    2: bowl for baptismal water [syn: baptismal font, baptistry,
       baptistery, font]

Moby Thesaurus II by Grady Ward, 1.0:

110 Moby Thesaurus words for "font":
   affusion, ascender, aspergation, aspersion, back, baptism,
   baptismal gown, baptismal regeneration, baptistery, baptizement,
   bastard type, beard, belly, bevel, black letter, body, bonanza,
   cap, capital, case, chalice, chrismal, chrismatory, christening,
   ciborium, cornucopia, counter, cruet, descender, em, en, face,
   fat-faced type, feet, flush, fount, fountain, fountainhead, geyser,
   gold mine, groove, gush, headspring, headstream, headwater,
   holy-water font, immersion, infusion, italic, jet, letter,
   ligature, lode, logotype, lower case, mainspring, majuscule, mine,
   minuscule, monstrance, nick, ostensorium, pi, pica, point, print,
   pyx, quarry, reliquary, resource, riverhead, roman, rush,
   sans serif, script, shank, shoulder, small cap, small capital,
   source, source of supply, spew, spit, spout, spouter, spray,
   spring, springhead, sprinkling, spritz, spurt, spurtle, squirt,
   stamp, staple, stem, total immersion, type, type body, type class,
   type lice, typecase, typeface, typefounders, typefoundry,
   upper case, vein, well, wellhead, wellspring



The Free On-line Dictionary of Computing (30 December 2018):

font

    A set of glyphs (images) representing the
   characters from some particular character set in a
   particular size and typeface.  The image of each character
   may be encoded either as a bitmap (in a bitmap font) or by
   a higher-level description in terms of lines and areas (an
   outline font).

   There are several different computer representations for
   fonts, the most widely known are Adobe Systems, Inc.'s
   PostScript font definitions and Apple's TrueType.
   Window systems can display different fonts on the screen and
   print them.

   [Other types of font?]

   (2001-04-27)