What does "sinaic" mean?

Sinaic: Of or pertaining to Mount Sinai; given or made at Mount Sinai; as, the Sinaitic law. Sinaitic manuscript, a fourth century Greek manuscript of the part Bible, discovered at Mount Sinai (the greater part of it in 1859) by Tisschendorf, a German Biblical critic; -- called also Codex Sinaiticus.

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