Definitions from Wiktionary (archaic)

▸ noun:  (archaeology, US, usually capitalized) The prehistoric period intermediate between the earliest period (‘Paleo-Indian’, ‘Paleo-American’, ‘American‐paleolithic’, etc.) of human presence in the Western Hemisphere, and the most recent prehistoric period (‘Woodland’, etc.).
▸ noun:  (paleoanthropology) (A member of) an archaic variety of Homo sapiens.
▸ adjective:  Of or characterized by antiquity; old-fashioned, quaint, antiquated.
▸ adjective:  (chiefly lexicography, of words) No longer in ordinary use, though still used occasionally to give a sense of antiquity and are still likely to be understood by well-educated speakers and are found in historical texts.
▸ adjective:  (archaeology) Belonging to the archaic period.

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