[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)[Add to Longdo]
[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[Add to Longdo]