Search the Dictionary

rounded elevation, or a corresponding depression, in a palate, disk, or membrane; as, the umbo in the integument of the larvæ of echinoderms or in the tympanic membrane of the ear.

Having a conical or rounded projection or protuberance, like a boss.

A clumsy boat, used for conveying provisions, fruit, etc., for sale, to vessels lying in port or off shore.

See Calumba.

A soup thickened with the mucilaginous pods of the okra; okra soup.

A small suppurting inflamed spot on the gum.

A bird of Madagascar (Leptosomus discolor), the only living type of a family allied to the rollers. It has a pair of loral plumes. The male is glossy green above, with metallic reflections; the female is spotted with brown and black.

Of or pertaining to the loins and sacrum; as, the lumbosacral nerve, a branch of one of the lumber nerves which passes over the sacrum.

An object of superstitious homage and fear. Carlyle. The miserable Mumbo Jumbo they paraded. Dickens.

A genus of great water lilies. The North American species is Nelumbo lutea, the Asiatic is the sacred lotus, N. speciosa. [Written also Nelumbium.]

Of, pertaining to, or containing, lead; -- used specifically to designate those compounds in which it has a lower valence as contrasted with plumbic compounds.

grog. [Obs.] Sir W. Scott.

Same as Rombowline.

Beneath or forward of the umbos of a bivalve shell.

A small cannon supported by a swiveled rest on the back of a camel, whence it is fired, -- used in the East.

sed to be seen by persons suffering with delirium tremens; hence, very low spirits. "Can Gumbo shut the hall door upon blue devils, or lay them all in a red sea of claret" Thackeray. -- Blue gage. See under Gage, a plum. -- Blue gum, an Australian myrtaceous tree (Eucalyptus globulus), of the loftiest proportions, no…

al glass retort or flask, used in the sublimation of camphor. [Written also bumbelo, and bumbolo.]

See Bumboat. Carlyle.

A glass used in subliming camphor. [Spelled also bombolo and bumbolo.]

pleasantly bitter taste, and is used as a tonic and antiseptic. [Written also colombo, columbo, and calombo.] American calumba, the Frasera Carolinensis, also called American gentian. Its root has been used in medicine as bitter tonic in place of calumba.