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

military power / competitiveness (e.g. in sports) / clout (e.g. of a union)

a fighting force that can be rapidly deployed without needing practice or preparation / (by extension) someone who can be relied on at any time

important, significant

importance, consequence, significance

(military) navy

a male given name

Navigation; ship

run of a ship, flight of an airplane

(obsolete) mother / a woman who breastfeeds and raises a child in place of a parent: a wet nurse