[うぐいすばり, uguisubari] (n) nightingale (flooring); method of laying floors to deliberately make a noise (like a nightingale's call) when walked across (security feature)
[うぐいす;ウグイス, uguisu ; uguisu] (n) (1) (uk) Japanese bush warbler; Japanese nightingale (Cettia diphone); (2) (abbr) (See 鶯茶) greenish brown; (n-pref) (3) having a beautiful voice