expression:

• with great vigour; in leaps and bounds; with the force of surging waves [literal]

noun:

• samurai and commoners
• normal people (as opposed to people of a high social standing)

expression:

• poverty is a stranger to industry; diligence is the mother of good fortune - proverb

noun:

• dip (angle that the direction of a compass needle makes with the horizon)

noun:

• nut (on the head of a shamisen, supporting the second and third strings)

expression / adjective:

• (having) bad marks or results (e.g. in school)
• of poor quality or workmanship

noun:

• people's history (written for the king of China; usu. written as a novel) ➜ 稗官

noun:

• torture in which the victim is bound and placed in a tub of snakes

noun:

• sea pen (any coelenterate of the family Pennatulidae or related families); sea feather

noun:

• coupling
• shipping; pairing of characters in a romantic relationship (in fan fiction, manga, etc.)

noun:

• free reed (category of instrument, e.g. reed organ, harmonica) - Music term

noun:

• lantern fish (any fish of family Myctophidae, esp. Watase's lanternfish, Diaphus watasei)

noun:

• football fish (any fish of family Himantolophidae, esp. the Atlantic footballfish, Himantolophus groenlandicus)

suffix:

• suffix indicating room size (following a number of tatami mats and a counter)

noun:

• anticipating the escape of the king and blocking him in advance with a knight - Shōgi term

expression / godan ~る verb:

• to fail an exam - idiom ➜ 桜咲く
• to fall (of cherry blossom petals)

noun:

• convict surgeonfish (Acanthurus triostegus, species of the Indo-Pacific); convict tang; manini ➜ コンヴィクトサージャンフィッシュ

noun:

• yellow tang (Zebrasoma flavescens, species of Pacific tang)

noun / ~する noun:

• forced relocation of a daimyo to a different domain by the Edo shogunate

noun:

• lowest part; bottom (or footer) of a page, computer screen, on-screen window, etc.

noun:

• Trimma halonevum (species of goby found in Papua New Guinea); sparsely-spotted pygmy-goby

noun:

• Hemiscylliidae; family of tropical Indo-Pacific longtail carpet sharks or bamboo sharks

noun:

• dusky smooth-hound (Mustelus canis, species of hound shark found in the Western Atlantic)

noun:

• hardnose shark (Carcharhinus macloti, species of requiem shark found in the Indo-West Pacific)

noun:

• graceful shark (Carcharhinus amblyrhynchoides, species of requiem shark found in the tropical Indo-Pacific)