Definition of full-mouth in US English:

full-mouth

noun

  • An animal having a full complement of teeth, or old enough to have grown all of its adult teeth.

adjective

  • Of livestock: = "full-mouthed". Now chiefly Australian and South African.

Origin

Late 16th century (in an earlier sense). From full + mouth.

Pronunciation

full-mouth

/ˈfʊlmaʊθ/