maskn.[F. masque, LL. masca, mascha, mascus; cf. Sp. & Pg. mscara, It. maschera; all fr. Ar. maskharat buffoon, fool, pleasantry, anything ridiculous or mirthful, fr. sakhira to ridicule, to laugh at. Cf. Masque, Masquerade.]1. A cover, or partial cover, for the face, used for disguise or protection; as, a dancer's mask; a fencer's mask; a ball player's mask.()2. That which disguises; a pretext or subterfuge.()3. A festive entertainment of dancing or other diversions, where all wear masks; a masquerade; hence, a revel; a frolic; a delusive show.(Bacon.)This thought might lead me through the world's vain mask. (Milton.)4. A dramatic performance, formerly in vogue, in which the actors wore masks and represented mythical or allegorical characters.()5. (Arch.) A grotesque head or face, used to adorn keystones and other prominent parts, to spout water in fountains, and the like; -- called also mascaron.()6. (Fort.) In a permanent fortification, a redoubt which protects the caponiere.()7. (Zol.) The lower lip of the larva of a dragon fly, modified so as to form a prehensile organ.()8. A person wearing a mask; a masker.()The mask that has the arm of the Indian queen. (G. W. Cable.)9. (Sporting) The head or face of a fox.()Mask house, a house for masquerades. [Obs.]()v. t.1. To cover, as the face, by way of concealment or defense against injury; to conceal with a mask or visor.()They must all be masked and vizarded. (Shak.)2. To disguise; to cover; to hide.()Masking the business from the common eye. (Shak.)3. (Mil.) To conceal; also, to intervene in the line of.()v. i.1. To take part as a masker in a masquerade.(Cavendish.)2. To wear a mask; to be disguised in any way.(Shak.)