Definify.com
Webster 1913 Edition
Quadrat
1.
(Print.)
A block of type metal lower than the letters, – used in spacing and in blank lines.
[Abbrev. quad.
]2.
An old instrument used for taking altitudes; – called also
geometrical square
, and line of shadows
. Webster 1828 Edition
Quadrat
QUAD'RAT
,Noun.
1.
In printing, a piece of metal used to fill the void spaces between words, &c. Quadrats are of different sizes; as m-quadrats, &c.2.
A mathematical instrument, called also a geometrical square, and line of shadows.