Definition of vassal. 1 : a person under the protection of a feudal lord to whom he has vowed homage and fealty : a feudal tenant.
lecternnoun [ C ] uk â /Ëlek.tÉn/ us â /Ëlek.tÉËn/. âº a piece of furniture with a sloping part on which a book or paper is put to be read from. (Definition of âlecternâ from the Cambridge Advanced Learnerâs Dictionary & Thesaurus Â© Cambridge University Press)
A right circular cylinder with radius r and height h. In its simplest form, a cylinder (from Greek ÎºÏÎ»Î¹Î½Î´ÏÎ¿Ï â kulindros, roller, tumbler) is the surface formed by the points at a fixed distance from a given straight line called the axis of the cylinder. It is one of the most basic curvilinear geometric shapes.