Denshi Jisho — Online Japanese dictionary

うぐいす 1:
2: (Usually written using kana alone) Japanese bush warbler; Japanese nightingale (Cettia diphone);
3: (Abbreviation) greenish brown; (Noun prefix) having a beautiful voice
Noun 
うぐいすいろ greenish brown
Noun 
張り うぐいすばり nightingale (flooring); method of laying floors to deliberately make a noise (like a nightingale's call) when walked across (security feature)
Noun 
うぐいすじょう female announcer; woman who makes public announcements (e.g. from an election campaign truck)
Noun 

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