machete

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A large heavy knife with a broad blade, used as a weapon and an implement for cutting vegetation.
• transitive verb To cut with a machete.
• transitive verb To attack, wound, or kill with a machete.

from The Century Dictionary.

• noun A heavy knife or cutlass used among Spanish colonists and in Spanish-American countries, both as a tool and as a weapon.
• noun A fish of the family Congrogadidœ, the Congrogadus (or Machœrium) subducens.
• noun Formerly also matchet, matchette.

from the GNU version of the Collaborative International Dictionary of English.

• noun A large heavy knife resembling a broadsword, often two or three feet in length, -- used by the inhabitants of Spanish America as a hatchet to cut their way through thickets, and for various other purposes.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A sword-like tool used for cutting large plants with a chopping motion. A machete's blade is usually 50 to 65 centimeters (cm) long, and up to three millimeters (mm) thick.
• verb To cut or chop with a machete.
• verb To hack or chop crudely with a blade other than a machete.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a large heavy knife used in Central and South America as a weapon or for cutting vegetation