The Collaborative International Dictionary of English v.0.48:
Lip \Lip\, v. t. [imp. & p. p. Lipped (l[i^]pt); p. pr. & vb. n. Lipping (-p[i^]ng).] 1. To touch with the lips; to put the lips to; hence, to kiss. [1913 Webster] The bubble on the wine which breaks Before you lip the glass. --Praed. [1913 Webster] A hand that kings Have lipped and trembled kissing. --Shak. [1913 Webster] 2. To utter; to speak. [R.] --Keats. [1913 Webster]