The Collaborative International Dictionary of English v.0.48:

Fraise \Fraise\, v. t. (Mil.)
   To protect, as a line of troops, against an onset of cavalry,
   by opposing bayonets raised obliquely forward. --Wilhelm.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Fraise \Fraise\, n. [See Froise.]
   A large and thick pancake, with slices of bacon in it. [Obs.]
   --Johnson.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Fraise \Fraise\, n. [F. fraise, orig., a ruff, cf. F. frise
   frieze, E. frieze a coarse stuff.]
   1. (Fort.) A defense consisting of pointed stakes driven into
      the ramparts in a horizontal or inclined position.
      [1913 Webster]

   2. (Mech.) A fluted reamer for enlarging holes in stone; a
      small milling cutter.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Froise \Froise\, n. [OE. froise cf. F. froisser to bruise, E.
   frush to bruise,]
   A kind of pancake. See 1st Fraise. [Written also fraise.]
   [1913 Webster]

WordNet (r) 3.0 (2006):

fraise
    n 1: a ruff for the neck worn in the 16th century
    2: sloping or horizontal rampart of pointed stakes