the world > animals > mammals > group Unguiculata or clawed mammal > family Canidae > hound > [adjective] > (not) making sound (6)
Hunting. Of a hound: that does not bark on the hunt; not giving tongue while on the chase. to run mute: to run with the chase silently; also in…
Of a hunting dog: that bays at the sight of game; barking, yelping. Cf. yearn, v.1 5a. Obsolete.
That opens, in various senses of open, v.