ledgingEtymologyFrom Middle English leggyng, legynge, equivalent to ledge + -ing.nounThe act or process of creating or developing a ledge (in mining, building, etc), or the ledge so created.“LEDGINGS: — Ledgings for joists, etc., to be measured square, their height and projection from wall to be counted as wall the amount of their projection, but in no case to count less than one-half brick. […]”