‖ abreuvoir|abrœvˈwar| [mod.Fr., f.abreuver to cause to drink:—OFr.abeuvrer:—late L. abeverāre, for adbiberā-re, f.bibĕre to drink.] 1. A watering place for animals. (? Not Eng.) 2. ‘In masonry, the joint between two stones, or the interstice to be filled up with mortar or cement.’ Gwilt.