stadia

Etymology 1
From.

Noun



 * 1)  A  or  rod used by surveyors to measure differences in level, or to measure horizontal distances by sighting the stadia hairs (graduations) through a telescope.
 * 2)   A graduated brass triangle used to measure the distance of a target by comparison of the graduations with the heights of soldiers or horses.

Etymology 2
From, plural of.

Etymology 3
From, plural of.

Usage notes

 * For clarification of which plural form of stadium is considered appropriate in a given context, see the usage note at the entry for stadium.

Noun

 * , level staff