vi : to close and open the eyes involuntarily (as when struggling against drowsiness or when dazzled) vt 1 : to close and open (the eye) involuntarily 2 : to remove (as tears) from the eye by blinking n : a usu. involuntary shutting and opening of the eye .
vt 1 : to close and open (the eye) involuntarily 2 : to remove (as tears) from the eye by blinking 
