materials where there is considerable risk
but who hopes to make a solid profit.
travois AV-shaped wood pole frame drawn
by dogs (and later horses), which American
Indians used to transport goods or people
before horses became part of Native Amer-
ican culture.
tribe A group of people usually linked by
ethnicity, language, culture, and dwelling
places.
tributary A river or stream that flows into
another larger river. It can also be used to
denote a person who gives tribute or taxa-
tion in some form to a more powerful con-
trolling body.
turquoise A semiprecious stone, blue to
blue-green in color.
war dogs Dogs trained by the Spanish mili-
tary to be used as vicious attack weapons.Glossary B 187