Definify.com
Webster 1913 Edition
Pear
Pear
(pâr)
, Noun.
(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. A. J. Downing.
(b)
(Zool.)
A very small beetle (
– Xyleborus pyri
) whose larvæ bore in the twigs of pear trees and cause them to wither. 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.
Webster 1828 Edition
Pear
PEAR
,Noun.