DISCUSES
Noun
discuses
plural of discus
Source: Wiktionary
DISCUS
Dis"cus, n.; pl. E. Discuses, L. Disci. Etym: [L. See Disk.]
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.
Note: 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.
Source: Webster’s Unabridged Dictionary 1913 Edition