Cultivated or refined; having been improved through care and development (archaic or rare usage).
From Latin cultus (cultivated, refined), the past participle of colere. This is an older or poetic form rarely used in modern English.
This word is so old that you probably won't see it used anymore—it's been mostly replaced by 'cultivated' or 'refined'—but it shows how English words from Latin can have multiple forms that don't survive into modern times.
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