JAMn.
A conserve of fruits boiled with sugar and water.
1. A kind of frock for children.
JAMv.t.
1. To press; to crowd; to wedge in.
2. In England, to tread hard or make firm by treading, as land by cattle.
JAM
JAMB, n. Among the lead miners of Mendip, a thick bed of stone which hinders them when pursuing the veins of ore.