law(provision of a) supplement, addition:
(
1278
) eit mester de divers supplecions de lei, e de noveles purveaunces
Stats i 45
(
1298
) [...] taunt com il purra prover, en taunt eyt sa demaunde, salve a luy e a ses seygnurages le benefice de adder, de chaunger, de amenuser, de amendre, de suppliciun fere en totes choses
Oxford Med Arch 70
[suppletion] (1278)