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Webster 1913 Edition

Noun.

The act of putting a load on or into.

A load; cargo; burden.

Shak.

ppr.

Charging with a load; burdening; encumbering; charging, as a gun.

Noun.

A cargo; a burden; also, any thing that makes part of a load.

loading ‎(plural loadings)

(uncountable) The action of the verb to load.
The loading of hazardous cargoes is not permitted.
(countable) A load, especially in the engineering and electrical engineering senses of force exerted, or electrical current or power supplied.

I need to recheck the loadings on the external walls.

The loading on the generators peaks during the early evening.
(Australia, industrial relations, countable) A hourly pay rate given to a casual employee which is higher than an equivalent full-time or part-time employee, usually paid to compensate for a lack of benefits such as sick leave or annual leave.

loading