\Gird"er\, n. [From {Gird} to sneer at.]
One who girds; a satirist.

\Gird"er\, n. [From {Gird} to encircle.]
1. One who, or that which, girds.
2. (Arch. & Engin.) A main beam; a stright, horizontal beam
   to span an opening or carry weight, such as ends of floor
   beams, etc.; hence, a framed or built-up member
   discharging the same office, technically called a compound
   girder. See Illusts. of {Frame}, and {Doubleframed floor},
   under {Double}.
{Bowstring girder}, {Box girder}, etc. See under {Bowstring},
   {Box}, etc.
{Girder bridge}. See under {Bridge}.
{Lattice girder}, a girder consisting of longitudinal bars
   united by diagonal crossing bars.
{Half-lattice girder}, a girder consisting of horizontal
   upper and lower bars connected by a series of diagonal
   bars sloping alternately in opposite directions so as to
   divide the space between the bars into a series of
   triangles. --Knight.
{Sandwich girder}, a girder consisting of two parallel wooden
   beams, between which is an iron plate, the whole clamped
   together by iron bolts.