noble; exalted; sacred / precious; valuable / (Internet slang) glorious; marvelous; wonderful (ascending 萌え (moe))

賭場: gambling den

走り回る: to run around

The hiragana syllable ぬ (nu). Its equivalent in katakana is ヌ (nu). It is the twenty-third syllable in the gojūon order; its position is な行う段 (na-gyō u-dan, “row na, section u”).