SAP n.
en, a dull light green pigment prepared from the juice of the ripe berries of the Rhamnus catharticus, or buckthorn. It is used especially by water-color artists. -- Sap rot, the dry rot. See under Dry. -- Sap sucker (Zoöl.), any one of several species of small American woodpeckers of the genus Sphyrapicus, especiall…