Armed with light weapons or accouterments.(adjective)
Gnu Collaboartive International Dictionary of English: licensed under The Code Project Open License (CPOL)
Use "light-armed" in a sentence
"Instead the citizens rushed out of the gates with their cavalry and a sizeable force of light-armed troops to surprise the Macedonians."
"He therefore sent his best swimmers among the light-armed troops over the side into the shallow surf and ordered them to advance together with weapons drawn into battle."
"Leaving his army behind, he took with him his closest companions and a small force of only a thousand cavalry and light-armed infantry into the rugged mountains."