Definition of nuzzles:
(v) :
(intransitive) Often followed by in or into: to press or push the nose or snout, mouth, face, etc., against or into someone or something; to touch someone or something with the nose or snout, etc.
(v) :
(intransitive) Chiefly followed by up or with: to press affectionately against someone or something; to nestle, to snuggle.
(v) :
(intransitive) Followed by down: to settle or lie comfortably and snugly in a bed, nest, etc.; to nestle.
(v) :
(transitive) To rub or touch (someone or something) with the nose, face, etc., or an object.
(v) :
(transitive) To push or thrust (the nose or snout, face or muzzle, or head, or an object) against or into something.
(v) :
(intransitive) Chiefly of an animal: to push the nose or snout into the ground to dig for something, especially food; to root, to rootle.