extern

Meanings

Noun

• A person affiliated with an institution in a lesser capacity, for example, as a non-resident or as a part-time affiliate.
• Outward form or part; exterior.
• In the C and C++ programming languages, a variable that can be separately declared in many places, all of them referring to the same variable.

Adjective

• External; outward; not inherent

Origin

• French externe, from Latin externus.
• Short for external; used as a keyword in these programming languages.