[1] : The Collaborative International Dictionary of English v.0.48

madrona \madro"na\, madrona \madro"~na\, madrono
\madro"no\, n. sp. madro~no. bot.
   a small evergreen tree or shrub arbutus menziesii, of
   pacific north america, having a smooth bark, thick glossy
   leathery leaves, and edible orange-red berries, which are
   often called madro~na apples; the wood is used for
   furniture and the bark for tanning. written also
   madro~no.

   syn: madrona, manzanita, arbutus menziesii.
        1913 webster + wordnet 1.5
see also:
arbutus menziesii madro~na apples madro~no arbutus menziesii 

[2] : WordNet (r) 2.0

madrono
     n : evergreen tree of the pacific coast of north america having
         glossy leathery leaves and orange-red edible berries;
         wood used for furniture and bark for tanning syn: madrona,
          manzanita, arbutus menziesii
     also: madornos pl
see also:
madrona manzanita arbutus menziesii madornos 

Madrono >> M Words
Madrono, definition of term: Madrono
madrono_pag1.html