OCTA
Etymology
Noun
octa (plural octas)
(meteorology) The proportion of the sky that is obscured by clouds, in eighths (one octa means that one eighth of the sky is obscured, two octas that one quarter is obscured, and so on).
Anagrams
• ATOC, CATO, Cato, Cota, coat, taco
Source: Wiktionary
Oc"ta-.
Definition: A prefix meaning eight. See Octo-.
Oc"to-, Oc"ta-. Etym: [L.octo eight, Gr. Eight.]
Definition: A combining form meaning eight; as in octodecimal, octodecimal,
octolocular.
Source: Webster’s Unabridged Dictionary 1913 Edition