Date: Wed Sep 25 00:53:09 EDT 1996
Subject: A.Word.A.Day--limbate

lim.bate \'lim-.ba-t\ aj [LL limbatus bordered, fr. L limbus] : having a part of one color surrounded by an edging of another color {a ~ leaf}

Limbus is also a technical word for scalar markings on adjacent movable edges of scientific instruments, e.g. astrolabe