בַּיְתוֹס, בַּיְיתוֹס pr. n. m. (Βοηθός) Boëthus; 1) the founder of a sect similar to that of the Sadducees, named בַּיְיתוֹסִין Boëthusians. Ab. d’R. Nath. ch. V. —2) father of one Martha or Miriam, a rich woman in the days of the siege of Jerusalem by Titus. Gitt. 56ᵃ. Lam. R. to I, 16 מרים; Y. Keth. V, 30ᵇ bot. מרתא. —3) B. ben Zonin. Y. B. Mets. V, 10ᵇ top; a. fr. —4) R. B.—Y. Erub. VI, 23ᶜ bot.