Noun
A
festering
,
embittering
object
or
condition
,
either
mental
,
or
a
physical
sore
or
ulcer
.<
ref
name
= "
OEDJHM
">
Murray
,
J
.
A
.
H
.
The
Compact
Edition
of
the
Oxford
English
Dictionary
(
2
vols
).
Publisher
:
Oxford
University
Press
.
1971
. ref
>
Verb
To
cause
irritation
or
deep
bitterness
.