'Kissing' definitions:

Definition of 'kissing'

From: WordNet
noun
Affectionate play (or foreplay without contact with the genital organs) [syn: caressing, cuddling, fondling, hugging, kissing, necking, petting, smooching, snuggling]

Definition of 'Kissing'

From: GCIDE
  • Kiss \Kiss\ (k[i^]s), v. t. [imp. & p. p. Kissed (k[i^]st);p. pr. & vb. n. Kissing.] [OE. kissen, cussen, AS. cyssan, fr. coss a kiss; of uncertain origin; akin to D. kus, G. kuss, Icel. koss.]
  • 1. To salute with the lips, as a mark of affection, reverence, submission, forgiveness, etc. [1913 Webster]
  • He . . . kissed her lips with such a clamorous smack, That at the parting all the church echoed. --Shak. [1913 Webster]
  • 2. To touch gently, as if fondly or caressingly. [1913 Webster]
  • When the sweet wind did gently kiss the trees. --Shak. [1913 Webster]