Etherize \E"ther*ize\, v. t. [imp. & p. p. {Etherized}; p. pr. & vb. n. {Etherizing}.] [Cf. F. ['e]th['e]riser.] 1. To convert into ether. [1913 Webster] 2. To render insensible by means of ether, as by inhalation; as, to etherize a patient. [1913 Webster]