Found in the following dictionaries
SOWPODS (Collins Scrabble Words)
"Optimates" Definition
noun
Plural form of optimate.
Source: Wiktionary
noun-plural
The nobility or aristocracy of ancient rome, as opposed to the populares .
The roman aristocracy, including the nobilitas, a large part of the equites, and their supporters; hence, an aristocracy or nobility in general.
Source: Century Dictionary
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