Medical Definition of Verruga
1. A flesh-coloured growth characterised by circumscribed hypertrophy of the papillae of the corium, with thickening of the malpighian, granular, and keratin layers of the epidermis, caused by human papilloma virus; also applied to epidermal verrucous tumours of nonviral aetiology. Synonym: verruga, wart. Origin: L. (05 Mar 2000)