From WordNet (r) 2.0 (August 2003) [wn]:
foible
n 1: a behavioral attribute that is distinctive and peculiar to
an individual [syn: idiosyncrasy, mannerism]
2: the weaker part of a sword's blade from the forte to the tip
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Foible \Foi"ble\, a. [OF. foible. See Feeble.]
Weak; feeble. [Obs.] --Lord Herbert.
[1913 Webster]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Foible \Foi"ble\, n.
1. A moral weakness; a failing; a weak point; a frailty.
[1913 Webster]
A disposition radically noble and generous, clouded
and overshadowed by superficial foibles. --De
Quincey.
[1913 Webster]
2. The half of a sword blade or foil blade nearest the point;
-- opposed to forte. [Written also faible.]
Syn: Fault; imperfection; failing; weakness; infirmity;
frailty; defect. See Fault.
[1913 Webster]