COCCUS
coccus, cocci
(noun) any spherical or nearly spherical bacteria
Source: WordNet® 3.1
Etymology
Noun
coccus (plural cocci)
Any approximately spherical bacterium.
One of the carpels or seed-vessels of a dry fruit.
Source: Wiktionary
Coc"cus, n.; pl. Cocci. Etym: [NL., fr. Gr. Cochineal.]
1. (Bot.)
Definition: One of the separable carpels of a dry fruit.
2. (Zoöl.)
Definition: A genus of hemipterous insects, including scale insects, and
the cochineal insect (Coccus cacti).
3. (Biol.)
Definition: A form of bacteria, shaped like a globule.
Source: Webster’s Unabridged Dictionary 1913 Edition