Port"land ce*ment" (?). A cement having the color of the Portland stone
of England, made by calcining an artificial mixture of carbonate of
lime and clay, or sometimes certain natural limestones or chalky clays.
It contains a large proportion of clay, and hardens under water.
Port"land stone" (?). A yellowish-white calcareous freestone from the
Isle of Portland in England, much used in building.
Port"land vase` (?). A celebrated cinerary urn or vase found in the
tomb of the Emperor Alexander Severus. It is owned by the Duke of
Portland, and kept in the British Museum.
Port"last (?), n. (Naut.) The portoise. See Portoise.
Port"li*ness (?), n. 1. The quality or state of being portly; dignity
of mien or of personal appearance; stateliness.
Such pride is praise; such portliness is honor.
Spenser.