More on Heavy-armed Artillery from Infoplease:

• Heavy-armed Artillery - Heavy-armed Artillery (The). The garrison artillery. The “light-armed artillery” are ...
• small arms - small arms small arms, firearmsdesigned primarily to be carried and fired by one person and, ...
• Dictionary of Phrase and Fable: H - Definitions, origins, and illustrative excerpts for words, phases, and literary allusions starting with "H"