#1 dose n. [dosage] a measured portion of medicine taken at any one time. wn #2 dose n. [dosage] the quantity of an active agent (substance or radiation) taken in or absorbed at any one time. wn #3 dose v. treat with an agent; add (an agent) to; "The ray dosed the paint". wn #4 dose v. [drug] administer a drug to; "They drugged the kidnapped tourist". wn #5 dose n. [venereal disease, VD, venereal infection, social disease, Cupid's itch, Cupid's disease, Venus's curse, sexually transmitted disease, STD] a communicable infection transmitted by sexual intercourse or genital contact. wn