Coccus

[kok-uh s] /ˈkɒk əs/

noun, plural cocci
[kok-sahy, -see] /ˈkɒk saɪ, -si/ (Show IPA)
1.
Bacteriology. a spherical bacterium.
2.
Botany. one of the carpels of a schizocarp.
1.
a combining form representing coccus, in compound words:
streptococcus.
/ˈkɒkəs/
noun (pl) -ci (-saɪ)
1.
any spherical or nearly spherical bacterium, such as a staphylococcus Compare bacillus (sense 1), spirillum (sense 1)
2.
the part of a fruit that contains one seed and separates from the whole fruit at maturity
3.
any of the scale insects of the genus Coccus
n.

1763 as an insect genus (including the cochineal bug); 1883 as a type of bacterium, from Greek kokkos “grain, seed, berry” (see cocco-).

coccus coc·cus (kŏk’əs)
n. pl. coc·ci (kŏk’sī, kŏk’ī)
A bacterium of round, spheroidal, or ovoid form.
coc’coid’ (kŏk’oid’) or coc’cal (kŏk’əl) adj.

-coccus suff.
A microorganism of spherical or spheroidal shape: streptococcus.
coccus
(kŏk’əs)
Plural cocci (kŏk’sī, kŏk’ī)
Any of various bacteria having a round or ovoid form such as streptococcus or staphylococcus, usually grouped in chains.