— unmasker , n.
/un mask", -mahsk"/ , v.t.
1. to strip a mask or disguise from.
2. to reveal the true character of; disclose; expose.
3. Mil. to reveal the presence of (guns) by firing.
v.i.
4. to put off one's mask; appear in true nature.
[ 1580-90; UN- 2 + MASK ]