balsa
noun /ˈbɔːlsə/
/ˈbɔːlsə/
(also balsa wood)
[uncountable]- the light wood of the tropical American balsa tree, used especially for making modelsOxford Collocations DictionaryBalsa is used before these nouns:
- wood
Word Originearly 17th cent. (denoting a kind of South American raft or fishing boat): from Spanish, ‘raft’.