Definify.com
Webster 1913 Edition
Discus
1.
(a)
A quoit; a circular plate of some heavy material intended to be pitched or hurled as a trial of strength and skill.
(b)
The exercise with the discus.
☞ This among the Greeks was one of the chief gymnastic exercises and was included in the Pentathlon (the contest of the five exercises). The chief contest was that of throwing the discus to the greatest possible distance.
2.
A disk. See
Disk
. Webster 1828 Edition
Discus
DISCUS
,Noun.
1.
A quoit; a piece of iron, copper or stone, to be thrown in play; used by the ancients.2.
In botany, the middle plain part of a radiated compound flower, generally consisting of small florets, with a hollow regular petal, as in the marigold and daisy.3.
The face or surface of the sun or moon. [See Disk.]