British Dictionary definitions for florence nightingale
Florence, known as the Lady with the Lamp. 1820–1910, English nurse, famous for her work during the Crimean War. She helped to raise the status and quality of the nursing profession and founded a training school for nurses in London (1860)
a brownish European songbird, Luscinia megarhynchos, with a broad reddish-brown tail: well known for its musical song, usually heard at night
any of various similar or related birds, such as Luscinia luscinia (thrush nightingale)
Word Origin for nightingale
Old English nihtegale, literally: night-singer, from night + galan to sing
Old English næctigalæ, nihtegale, compound formed in Proto-Germanic (cf. Dutch nachtegaal, German Nachtigall) from *nakht- "night" (see night) + *galon "to sing," related to Old English giellan "yell" (see yell). With parasitic -n- that appeared mid-13c. Dutch nightingale "frog" is attested from 1769. In Japanese, "nightingale floor" is said to be the term for boards that creak when you walk on them.
French rossignol (Old French lousseignol) is, with Spanish ruiseñor, Portuguese rouxinol, Italian rosignuolo, from Vulgar Latin *rosciniola, dissimilated from Latin lusciniola "nightingale," diminutive of luscinia "nightingale."