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mensa(men -să) (plural: mensae) a flat-topped elevation with steep sides. The word is used in the approved name of such a surface feature on a planet or satellite.
Mensa(men -să) (Table Mountain) A small inconspicuous constellation in the southern hemisphere, close to the south pole, the brightest stars being of 5th magnitude. It contains part of the Large Magellanic Cloud. Abbrev.: Men; genitive form: Mensae; approx. position: RA 5.5h, dec –78°; area: 153 sq deg.
a circumpolar constellation of the southern hemisphere with no stars brighter than visual stellar magnitude 4.0. Mensa is not visible from the territory of the USSR. (SeeSTELLAR SKY.)
1. The stone slab or other piece forming the top of an altar.
2. The upper surface of an altar.