XIE-BU (Chinese)  "Rest Stance" 

XU-BU (Chinese)  "Cat Stance" 

YA 矢 (Japanese) "Arrow"  

YAMA 山 (Japanese) "Mountain" 山 

YAMA TSUNAMI 山津波  or 山 津浪  or  山海嘯 
Japanese
"Mountain Tidal Wave" "Landslide"

YAMA ZUKI (Japanese) "Mountain Punch" 山 The term Yama Zuki is used to describe a wide vertical double punch in which the aggressor simultaneously strikes the face and abdomen of the opponent.

YAME (Japanese) "Stop / Halt" 

YANAGI 楊柳 or 楊 or 柳   (Japanese) "Willow"  楊柳  or  楊  or  柳  

YANONE 矢の根  (Japanese) "Arrowhead"  

YAN YUE DAO  偃月刀   (Chinese) "Reclining Moon Blade" 偃月刀柺  The term Yan Yue Dao is used to describe the style of deeply curved Chinese glaive used to great effect with deep, sweeping cuts. In addition to the blades edge, almost all Yan Yue Dao are forged with a curved rear spike used to ensnare an opponent’s weapon. The traditional name Yan Yue Dao has been almost completely replaced by the name Guan Dao due to its romantic connections with the 3rd Century General "Guan Yu" who allegedly used an over-sized version of such a weapon. Although uncommon in Japan, imported and imitated versions were created for use by native Japanese, where it was renamed the "Bisento" Also See: Guan Dao, Guandao, Kwan Dao, Kwandao, Kwan Tao, Kuan Dao, Quandao.
 

YAOMITL (Aztec) "War Arrow" The term Yaomitl is used to describe a style of Aztec arrow fitted with a barbed head formed from shards of bone or obsidian. The Yaomitl was primarily designed for use as a weapon of war.

YARI  槍   (Japanese) "Spear" 槍 The term Yari is used to describe any of the numerous designs of spear used throughout Japanese feudal history. Japanaese Yari range in length from three to twenty feet, depending of course upon their designated use. Spears for individual combat tended not to be more that seven feet in length, whilst those issued to large units of Ashigaru would be far longer. Yari are almost never thrown and are designed and weighted as a hand weapon.

YARIMOCHI 槍持ち (Japanese) "With Spear / Spear carrier" 槍持ちThe term Yarimochi is used to describe both a low ranking or junior Samurai who carried a number of replacement spears for his master as well as any other Bushi who used a Yari as their predominant weapon. 

YAWARA 柔 (Japanese) "Soft, Pliable" 柔 The term Yawara is an alternative reading for the Kanji Ju. 

YAWARA 柔  (Japanese) "Soft, Pliable" 柔 A short baton held in the fist and used to increase the effectiveness of strikes, locks and pressure point attacks. The majority of Yawara are small and only protrude from the fist by an inch or so at either side; and although larger versions do exist, smaller more easily concealable fist-loads have always been more popular. 

YOKO 横 (Japanese) "Side" 横 

YOKOMEN 横面 (Japanese) "Side Of the Head"  横面 

YOKOMENUCHI   (Japanese) "Side Of the Head Strike"  The term Yokomenuchi is used in reference to a stylised diagonal strike to the side of the head, frequently encountered in the martial way of Aikido.

YONDAN  四段 (Japanese) "Fourth Step / Fourth Grade / Black-Belt Forth Grade" 四段The term Yondan refers to a Martial Artist who has achieved his fourth step on his path to mastery of his chosen Martial Art. The first step being Shodan, more commonly known as a Black-Belt.

YOROI  鎧 (Japanese) "Armour" 鎧The term Yoroi is used to describe any of the numerous styles of body armour, particularly those worn by the Samurai.

YUBI  指 (Japanese) "Finger"  

YUDANSHA  有段者 (Japanese) "Graded Student / Person Of Grade" The term Yudansha is used to describe any student of Shodan grade or above within one or more Japanese martial arts. 

YUGAKE 弓懸け or 弓掛け or 弓懸    (Japanese)  "Archery Glove" 弓懸け or 弓掛け or 弓懸  The term Yugake is used to describe the style of glove worn by practitioners of Japanese archery systems like that of Kyudo. Normally formed from leather the Yugake normally only covers the wearers thumb and first two fingers.

YUKI 雪 (Japanese) "Snow" 

YUKI 靫 or 靱 (Japanese) "Box Shaped Quiver" The term Yuki is used to describe the box shaped quiver within which a Japanese archer would hold his arrows. Many Yuki included a rigid bamboo frame and a leather or canvas lid in order to protect the Ya from the elements.

YUKKURI ゆっくり  (Japanese) "Slow / Slowly / Slow Down"