Río, Río Balsas.


[bawl-suh, bahl-]


a tropical American tree, Ochroma pyramidale (lagopus), of the bombax family, yielding an exceedingly light wood used for life preservers, rafts, toy airplanes, etc.
a raft made of balsa wood.
any life raft.

Origin of balsa

1770–80; < Spanish: boat Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for balsas

British Dictionary definitions for balsas



a bombacaceous tree, Ochroma lagopus, of tropical America
Also called: balsawood the very light wood of this tree, used for making rafts, etc
a light raft

Word Origin for balsa

C18: from Spanish: raft

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for balsas



South American tree, 1866, apparently from Spanish balsa "float," originally the name of rafts used on the Pacific coast of Latin America (1777). The wood is very light.

Online Etymology Dictionary, © 2010 Douglas Harper