Săb'ba-tā'ri-an1, n.
n. [From Sabbath.] 1. One who regards the seventh day of the week as holy, agreeably to the letter of the fourth commandment in the decalogue. ☞ There were Christians in the early church who held this opinion; and one sect of Baptists, commonly called Seventh-day Baptists, do so now. 2. A strict or bigoted observer of the Sabbath.