Defn: 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.) (a) In a permanent fortification, a redoubt which protects the caponiere. (b) A screen for a battery.

7. (Zoöl.)

Defn: The lower lip of the larva of a dragon fly, modified so as to form a prehensile organ. Mask house, a house for masquerades. [Obs.]

MASK
Mask, v. t. [imp. & p. p. Masked; p. pr. & vb. n. Masking.]

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.) (a) To conceal; also, to intervene in the line of. (b) To cover or keep in check; as, to mask a body of troops or a fortess by a superior force, while some hostile evolution is being carried out.

MASK
Mask, v. i.

1. To take part as a masker in a masquerade. Cavendish.