Jastrow: בָּסִיס

בָּסִיס m. (בוס, בסס; formed like עָצִיץ) anything to tread upon; footstool, stand, base (= b. h. כַּן, מְכוֹנָה). Kel. XI, 7 הפרח והב׳ the bud (receptacle of the candlestick) and the stand. Lev. R. s. 25; Cant. R. to V, 15 like a column which has ב׳ מלמטן וכ׳ a base beneath &c.; Tanḥ. B’har 1. Y. Ab. Zar. III, 42ᵈ top בשאין עליהן ב׳ when there is upon them (the idolatrous emblems) no stand (indicating that they were intended for practical use). Ib. כוס בסוס לדרקון וכ׳ (corr. acc.) if the cup serves as a stand for the dragon (idolatrous emblem), it (the cup) is forbidden; a. fr.—Trnsf. (in Sabbath law) whatever is subservient to another object, e.g. the case in which a book is kept, the table upon which a lamp is placed. Sabb. 117ᵃ ב׳ לדבר האסור subservient to an object which must not be handled on the Sabbath; a. fr.—V. בְּסִיסַי, בְּסִיסִית.