Today's word of the day is:

adjective

eating together at the same table.
Ecology. (of an animal, plant, fungus, etc.) living with, on, or in another, without injury to either.
Sociology. (of a person or group) not competing while residing in or occupying the same area as another individual or group having independent or different values or customs.

noun

a companion at table.
Ecology. a commensal organism.

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