The Collaborative International Dictionary of English v.0.48:

Viscid \Vis"cid\, a. [L. viscidus, fr. viscum the mistletoe,
   birdlime made from the berries of the mistletoe; akin to Gr.
   ?: cf. F. viscide.]
   Sticking or adhering, and having a ropy or glutinous
   consistency; viscous; glutinous; sticky; tenacious; clammy;
   as, turpentine, tar, gums, etc., are more or less viscid.
   [1913 Webster]

WordNet (r) 3.0 (2006):

viscid
    adj 1: having the sticky properties of an adhesive [syn:
           gluey, glutinous, gummy, mucilaginous, pasty,
           sticky, viscid, viscous]