from
The Collaborative International Dictionary of English v.0.48
Allonge \Al*longe"\, n. [F. allonge, earlier alonge, a
lengthening. See {Allonge}, v., and cf. {Lunge}.]
1. (Fencing) A thrust or pass; a lunge.
[1913 Webster]
2. A slip of paper attached to a bill of exchange for
receiving indorsements, when the back of the bill itself
is already full; a rider. [A French usage] --Abbott.
[1913 Webster]
from
Bouvier's Law Dictionary, Revised 6th Ed (1856)
ALLONGE, French law. When a bill of exchange, or other paper, is too small
to receive the endorsements which are to be made on it, another piece of
paper is added to it, and bears the name of allonge. Pard. n. 343; Story on
P. N. Sec. 121, 151; Story on Bills, 204. See Rider.