STADIUM
stadium, bowl, arena, sports stadium
(noun) a large structure for open-air sports or entertainments
Source: WordNet® 3.1
Etymology
Noun
stadium (plural stadiums or stadia)
A venue where sporting events are held.
An Ancient Greek racecourse, especially, the Olympic course for foot races.
(now, historical) A Greek measure of length, being the chief one used for itinerary distances, also adopted by the Romans for nautical and astronomical measurements, equal to 600 Greek or 625 Roman feet, or 125 Roman paces, or to 606 feet, 9 inches.
A kind of telemeter for measuring the distance of an object of known dimensions, by observing the angle it subtends.
(surveying) a graduated rod used to measure the distance of the place where it stands from an instrument having a telescope, by observing the number of the graduations of the rod that are seen between certain parallel wires (stadia wires) in the field of view of the telescope.
(biology) A life stage of an organism.
Usage notes
• The alternative plural stadia is occasionally used, chiefly in high-register contexts.
Synonyms
• (venue where sporting events are held): arena
• (Greek unit of length): Olympic stadium
• (graduated rod in surveying): stadia, stadia rod
Source: Wiktionary
Sta"di*um, n.; pl. Stadia. Etym: [L., a stadium (in sense 1), from
Gr.
1. A Greek measure of length, being the chief one used for itinerary
distances, also adopted by the Romans for nautical and astronomical
measurements. It was equal to 600 Greek or 625 Roman feet, or 125
Roman paces, or to 606 feet 9 inches English. This was also called
the Olympic stadium, as being the exact length of the foot-race
course at Olympia. Dr. W. Smith.
2. Hence, a race course; especially, the Olympic course for foot
races.
3. A kind of telemeter for measuring the distance of an object of
known dimensions, by observing the angle it subtends; especially
(Surveying), a graduated rod used to measure the distance of the
place where it stands from an instrument having a telescope, by
observing the number of the graduations of the rod that are seen
between certain parallel wires (stadia wires) in the field of view of
the telescope; -- also called stadia, and stadia rod.
Source: Webster’s Unabridged Dictionary 1913 Edition