The Collaborative International Dictionary of English v.0.48:

Kino \Ki"no\, n.
   The dark red dried juice of certain plants, used variously in
   tanning, in dyeing, and as an astringent in medicine.
   [1913 Webster]

   Note: The chief supply is from an East Indian leguminous
         tree, the Pterocarpus Marsupium. Other sources are
         the African Pterocarpus erinaceus, the tropical
         American sea grape (Coccoloba uvifera), and several
         Australian Eucalypti. See Botany bay kino, under
         Botany bay, Gum butea, under Gum, and
         Eucalyptus.
         [1913 Webster]

WordNet (r) 3.0 (2006):

kino
    n 1: a gum obtained from various tropical plants; used as an
         astringent and in tanning [syn: kino, gum kino, kino
         gum]
    2: East Indian tree yielding a resin or extract often used
       medicinally and in e.g. tanning [syn: kino, Pterocarpus
       marsupium]