NIGHTMARE n.
es, and characterized by a sense of extreme uneasiness or discomfort (as of weight on the chest or stomach, impossibility of motion or speech, etc.), or by frightful or oppressive dreams, from which one wakes after extreme anxiety, in a troubled state of mind; incubus. Dunglison.
NUT n.
screened coal of a size smaller than stove coal and larger than pea coal; -- called also chestnut coal. -- Nut crab (Zoöl.), any leucosoid crab of the genus Ebalia as, Ebalia tuberosa of Europe. -- Nut grass (Bot.), a plant of the Sedge family (Cyperus rotundus, var. Hydra), which has slender rootstocks bearing smal…
OBOE n.
One of the higher wind instruments in the modern orchestra, yet of great antiquity, having a penetrating pastoral quality of tone, somewhat like the clarinet in form, but more slender, and sounded by means of a double reed; a hautboy. Oboe d'amore Etym: [It., lit., oboe of love], and Oboe di caccia Etym: [It., lit., ob…
OPERA n.
ly or mostly sung, consisting of recitative, arials, choruses, duets, trios, etc., with orchestral accompaniment, preludes, and interludes, together with appropriate costumes, scenery, and action; a lyric drama.
ORATORIO n.
laborately set to music, in recitative, arias, grand choruses, etc., to be sung with an orchestral accompaniment, but without action, scenery, or costume, although the oratorio grew out of the Mysteries and the Miracle and Passion plays, which were acted.