Pear

Definition of Pear

Pronunciation: pâr
n.1.(Bot.) The fleshy pome, or fruit, of a rosaceous tree (Pyrus communis), cultivated in many varieties in temperate climates; also, the tree which bears this fruit. See Pear family, below.
Pear blight
a - (Bot.) A name of two distinct diseases of pear trees, both causing a destruction of the branches, viz., that caused by a minute insect (Xyleborus pyri), and that caused by the freezing of the sap in winter.
b - (Zool.) A very small beetle (Xyleborus pyri) whose larvæ bore in the twigs of pear trees and cause them to wither.
- A. J. Downing.
Pear family
(Bot.) a suborder of rosaceous plants (Pomeæ), characterized by the calyx tube becoming fleshy in fruit, and, combined with the ovaries, forming a pome. It includes the apple, pear, quince, service berry, and hawthorn.
Pear gauge
(Physics) a kind of gauge for measuring the exhaustion of an air-pump receiver; - so called because consisting in part of a pear-shaped glass vessel.
Pear shell
(Zool.) any marine gastropod shell of the genus Pyrula, native of tropical seas; - so called from the shape.
Pear slug
(Zool.) the larva of a sawfly which is very injurious to the foliage of the pear tree.

Related Words

fruit tree, genus Pyrus, pear tree, Pyrus, Pyrus communis
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