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A name given to some parts that resemble in shape certain bulbous roots; as, the bulb of the aorta. Bulb of the eye, the eyeball. -- Bulb of a hair, the "root," or part whence the hair originates. -- Bulb of the spinal cord, the medulla oblongata, often called simply bulb. -- Bulb of a tooth, the vascular and nervou…

Bulbous. Jonson.

Of or pertaining to bulb; especially, in medicine, pertaining to the bulb of the spinal cord, or medulla oblongata; as, bulbar paralysis.

Having a bulb; round-headed.

A separable bulb formed on some flowering plants.

Producing bulbs.

A small or secondary bulb; hence, now almost exclusively: An aërial bulb or deciduous bud, produced in the leaf axils, as in the tiger lily, or relpacing the flowers, as in some onions, and capable, when separated, of propagating the plant; -- called also bulblet and brood bud.

A small bulb, either produced on a larger bulb, or on some aërial part of a plant, as in the axils of leaves in the tiger lily, or replacing the flowers in some kinds of onion.

A corm.

Bulbous.

Having or containing bulbs, or a bulb; growing from bulbs; bulblike in shape or structure.

s also applied to several other Asiatic singing birds, of the family Timaliidæ. The green bulbuls belong to the Chloropsis and allied genera. [Written also buhlbuhl.]

A small bulb; a bulblet.

See Semi-diesel, below.

An aërial corm, or thickened stem, as of some epiphytic orchidaceous plants.

That one of the two similar thermometers of a psychrometer the bulb of which is moistened; also, the entire instrument.

ely fine platinum wire loop attached to terminals and inclosed in a small glass or silver bulb. In a later variety, called the liquid barretter, wire is replace by a column of liquid in a very fine capillary tube.

A genus of bulbous plants, natives of Southern Africa, named Hæmanthus, of the Amaryllis family. The juice of H. toxicarius is used by the Hottentots to poison their arrows.

See Bulbul.

A plant of the genus Ranunculus, or crowfoot, particularly R. bulbosus, with bright yellow flowers; -- called also butterflower, golden cup, and kingcup. It is the cuckoobud of Shakespeare.