And when all these kings
melek  (meh'-lek)
a king -- king, royal.
were met together
ya`ad  (yaw-ad')
to fix upon (by agreement or appointment); by implication, to meet (at a stated time), to summon (to trial), to direct (in a certain quarter or position), to engage (for marriage)
they came
bow'  (bo)
to go or come (in a wide variety of applications)
and pitched
chanah  (khaw-naw')
to incline; by implication, to decline (of the slanting rays of evening); specifically, to pitch a tent; gen. to encamp (for abode or siege)
yachad  (yakh'-ad)
a unit, i.e. (adverb) unitedly -- alike, at all (once), both, likewise, only, (al-)together, withal.
at the waters
mayim  (mah'-yim)
water; figuratively, juice; by euphemism, urine, semen -- + piss, wasting, water(-ing, (-course, -flood, -spring).
of Merom
Merowm  (may-rome')
height; Merom, a lake in Palestine -- Merom.
to fight
lacham  (law-kham')
to feed on; figuratively, to consume; by implication, to battle (as destruction) -- devour, eat, ever, fight(-ing), overcome, prevail, (make) war(-ring).
against Israel
Yisra'el  (yis-raw-ale')
he will rule as God; Jisrael, a symbolical name of Jacob; also (typically) of his posterity: --Israel.