from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Any of several Asian arts of combat or self-defense, such as aikido, karate, judo, or tae kwon do, usually practiced as sport. Often used in the plural.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Commonly, any of several fighting styles which contain systematized methods of training for combat, both armed and unarmed; often practiced as a sport, e.g. boxing, karate, judo, Silat, wrestling, or Muay Thai.
- n. military skills, proficiency in military strategy, prowess in warfare
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. any of several Oriental arts of weaponless self-defense; usually practiced as a sport
Collocation of martial + art, coined in 1933 as a loan translation of Japanese bujutsu. But already in Pope's Iliad (1715, 4.360), and in Sotheby's Iliad (1831, book 6). (Wiktionary)