stadia

Meanings

Plural: stadia

Noun

• a large structure for open-air sports or entertainments
• A level staff or graduated rod used by surveyors to measure differences in level, or to measure horizontal distances by sighting the stadia hairs (graduations) through a telescope.
• Hash marks or other reticle etchings on a riflescope's lens which are used for stadiametric rangefinding; lines or curves for estimating the range of a target of known height, such as an enemy soldier or a game animal.
• (historically) A graduated brass triangle used to measure the distance of a target by comparison of the graduations with the heights of soldiers or horses.
• plural of stadion
• plural of stadium

Synonyms

arena, bowl, sports stadium, stadium, stadiums