nuz·zle 
(nŭzəl)
(nŭzəl)v. nuz·zled, nuz·zling, nuz·zles
v.tr.
1. To rub or push against gently with or as if with the nose or snout: stroked and nuzzled the kitten.
2. To root or move with the snout.
v.intr.
1. To make rubbing or pressing motions with or as if with the nose or snout.
2. To nestle together.
[Middle English noselen, to bend down, perhaps back-formation from noselyng, on the face, prostrate, from nose, nose; see NOSE.]
nuzzler n.