Meanings

large company

trivial

thunderous roar of laughter (from multiple people)

great difference

big news

university system

big yawn

giant purple butterfly (species of nymphalid butterfly, Sasakia charonda)

exerting oneself to the utmost, prepared to die if necessary

lavish feast

royal water lily

demonstration board (for Go, Shougi, etc.)

samurai in command of a troop of foot soldiers

great sensation

significant turning point

rags to riches

momentous (crucial) decision

demotion from ōzeki ranking

macromolecule

fat under-belly of tuna (considered high-quality)