maai 間合い ( まあい ) - distance; interval;

maedate 前立て ( まえだて ) - crest worn on the helmet

makibishi 撒き菱 ( まきびし ) - caltrop

makimono 巻物 ( まきもの ) - scroll containing techniques and teachings of a ryuuha

matagi 又鬼 ( またぎ ) - traditional winter hunters in northern Japan

mei 銘 ( めい ) - signature on the tang of a Japanese sword

mekugiana 目釘穴 ( めくぎあな ) - the hole into which the mekugi (peg) is inserted on the tang of a Japanese sword

menkyo kaiden 免許皆伝 ( めんきょかいでん ) - full initiation into a ryuuha

menpou 面頬 ( めんぽう ) - face guard; usually worn with an armored helmet

menuki 目貫 ( めぬき ) - sword handle ornaments

metezashi 馬手差 ( めてざし ) - armor-piercing dagger worn on the right side and drawn with the left hand

mizugumo 水蜘 ( みずぐも ) - device for crossing marshy areas; lit: water spider

mokuroku 目録 ( もくろく ) - catalog of the techniques of a ryuuha

monomi 物見 ( ものみ ) - reconnaissance and observation techniques

monomi 物見 ( ものみ ) - another term for ninja

monouchi 物打ち ( ものうち ) - the part of the blade that is best suited for cutting on a Japanese sword

mune 胸 ( むね ) - chest

mune 棟 ( むね ) - the back of the blade of a Japanese sword

munemachi 棟区 ( むねまち ) - notch where the nakago meets the mune on a Japanese sword

muromachi jidai 室町時代 ( むろまちじだい ) - Muromachi period; a division of Japanese history running from approximately 1336 to 1573

musha shugyou 武者修行 ( むしゃしゅぎょう ) - the practice of traveling about to gain martial skill

mushin 無心 ( むしん ) - spontaneous action lit:no mind