Pronunciation: (men'su),[key] —n., —pl.-sas, -saePronunciation: (-sē)[key]for 1, —gen.-saefor 2. 1. Also called altar slab, altar stone. the flat stone forming the top of the altar in a Roman Catholic church.
2. (cap.) Astron.the Table, a southern constellation near Octans.
Pronunciation: (men'su),[key] —n. an international fellowship organization for people with IQ's in the top 2 percent of the general population.