Clipping of 航空母艦 (kōkū bokan, “aircraft carrier”).

go across, go over / migrate

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend

he; boyfriend

a sea, an ocean / a lake / (figuratively) an object covering over a large area, as in 血の海 (chi no umi, “pool of blood”) or 火の海 (hi no umi, “sea of fire”)

to get on/ride (a bus, a train, a bicycle); to get in (a car); to mount (a horse) / to accept one's talk; to get on board

riding

(mathematics) power

of the sea, of the ocean