JMdict entry #1788110

1. noun (common) (futsuumeishi)noun or participle which takes the aux. verb suruintransitive verb licking one's lips (at the sight of appetizing food)
2. noun (common) (futsuumeishi)noun or participle which takes the aux. verb suruintransitive verb licking one's lips (in anticipation); waiting eagerly (for); salivating (e.g. at the thought)