The Collaborative International Dictionary
Armipotent \Ar*mip"o*tent\, a. [L. armipotents; arma arms + potens powerful, p. pr. of posse to be able.] Powerful in arms; mighty in battle.
The temple stood of Mars armipotent.
--Dryden.
Wiktionary
a. (context obsolete English) powerful in battle. n. (context poetic archaic English) A powerful combatant.
Usage examples of "armipotent".
In which there ran a rumble and a sough*, *groaning noise As though a storm should bursten every bough: And downward from an hill under a bent* *slope There stood the temple of Mars Armipotent, Wrought all of burnish'd steel, of which th' entry Was long and strait, and ghastly for to see.
And down a hill, beneath a sharp descent, The temple stood of Mars armipotent, Wrought all of burnished steel, whereof the gate Was grim like death to see, and long, and strait.
But thereupon such quarrelling was begun, From this same granting, in the heaven above, 'Twixt lovely Venus, goddess of all love, And Mars, the iron god armipotent, That Jove toiled hard to make a settlement.