An Etymological Dictionary of Astronomy and Astrophysics
English-French-Persian

1) Eating together at the same table.
2) Ecology: Of a form of → symbiosis in which two different species of plant or animal live in close association without injury to either.

From M.L. commensalis, from → com- "with, together" + mensa (genitive mensalis) "table," → Mensa.

Ham-miz "(eating together) at the same table," from ham-, → com-, + miz "table," → Mensa.

A mode of → survey particularly in → radio astronomy such that two different observing goals are achieved simultaneously. Commensal survey necessitates compromises whenever necessary.

→ commensal; → survey.