{ } a. [ From Mount Sinai. ] Of or pertaining to Mount Sinai; given or made at Mount Sinai; as, the Sinaitic law. [ 1913 Webster ]

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. [ 1913 Webster ]