Definition of 門前清自摸和 (メンゼンチンツモホー)

noun
winning off a self-drawn tile while completely concealed (meld), winning off a self-drawn tile without having called any tiles(mahjong term)
See also:門前清,  
Related Kanji
gate, counter for cannons
in front, before
pure, purify, cleanse, exorcise, Manchu dynasty
oneself
search, imitate, copy
harmony, Japanese style, peace, soften, Japan