from
The Collaborative International Dictionary of English v.0.48
Rebate \Re*bate"\ (r[-e]*b[=a]t"), v. t. [F. rebattre to beat
again; pref. re- re- + battre to beat, L. batuere to beat,
strike. See {Abate}.]
1. To beat to obtuseness; to deprive of keenness; to blunt;
to turn back the point of, as a lance used for exercise.
[1913 Webster]
But doth rebate and blunt his natural edge. --Shak.
[1913 Webster]
2. To deduct from; to make a discount from, as interest due,
or customs duties. --Blount.
[1913 Webster]
3. To return a portion of a sum paid, as a method of
discounting of prices.
[PJC]
{Rebated cross}, a cross which has the extremities of the
arms bent back at right angles, as in the fylfot.
[1913 Webster]