Wordnet 3.0
NOUN (1)
1. 
 a native or inhabitant of Guinea; 
ADJECTIVE (1)
1. 
 of or relating to or characteristic of Guinea or its inhabitants; 
- Example: "Guinean borders"
The Collaborative International Dictionary of English v.0.48:
Guinean \Guinean\ n.
   a native or inhabitant of Guinea[1].
   [WordNet 1.5]
The Collaborative International Dictionary of English v.0.48:
Guinean \Guinean\ adj.
   1. of or pertaining to Guinea[1]; as, Guinean borders.
      [WordNet 1.5]
   2. of or pertaining to the inhabitants of Guinea[1]; as,
      Guinean soldiers.
      [WordNet 1.5]
WordNet (r) 3.0 (2006):
Guinean
    adj 1: of or relating to or characteristic of Guinea or its
           inhabitants; "Guinean borders"
    n 1: a native or inhabitant of Guinea