noun / ~する noun:

• reconciliation (accounting); verifying transactions against vouchers, etc.

noun:

• float being pulled underwater when a fish takes the bait

noun:

• loach (any fish of family Cobitidae)
• weather loach (Misgurnus anguillicaudatus)

noun:

• clownfish (Amphiprioninae spp., esp. the yellowtail clownfish, Amphiprion clarkii); anemone fish

noun:

• leftover pieces (when slicing meat, fish, cake, etc.); end pieces
• clipping

noun:

• redbelly tilapia (Tilapia zillii, fish of the family Cichlidae found in Africa and Eurasia)

noun:

• box lunch (containing rice and 10-15 small portions of fish, meat, and vegetables)

expression / noun:

• empty eyes; thousand-yard stare; blank glaze; expressionless look; eyes of a dead fish [literal] - idiom

prefix:

• tetra-

noun:

• tetra (fish)

noun:

• scale (of fish, snake, etc.)
• serif (on kana or kanji (e.g. in Mincho font))

noun:

• dashi (Japanese soup stock made from fish and kelp)
• pretext; excuse; pretense (pretence); dupe; front man ［出し］

noun:

• Scatophagidae; family containing four species in two genera of small Indo-Pacific fish commonly called scats

noun:

• chopped fish, shellfish or vegetables, dressed with (miso or other) sauce - Food term

noun:

• kun (in Chinese mythology, giant fish said to be able to turn into a bird) - archaism ➜ 鵬

noun:

• wind drying; drying something by hanging it in a drafty place (e.g. fish)

noun / ~の noun:

• boning (fish or meat); deboning
• watering down (a plan, bill, etc.); dilution; emasculation
• taking the backbone out of; weakening

noun:

• pickles made in brine and fermented rice bran (esp. vegetables, also meat, fish, eggs, etc.)

godan ~す verb / transitive:

• to sell wholesale
• to grate (e.g. vegetables)
• to cut up fish

expression / noun:

• being in a helpless situation; (like a) fish on a chopping board [literal] - idiom

noun:

• atoll butterflyfish (Chaetodon mertensii); Merten's butterflyfish; keel-finned butterfly-fish; orangebar butterflyfish

noun:

• sillago (any fish of genus Sillago, esp. the Japanese whiting, Sillago japonica) - 鼠頭魚 is gikun

noun:

• parenthood; parent or someone with children on the way (esp. an expecting mother)
• (of a fish) containing roe (eggs)

noun / ~する noun:

• draining a pond, lake, or ditch (esp. to remove fish, purify water, etc.)
• cleaning a well

expression / noun:

• a fish on the chopping board; person in a situation where they are rendered powerless - idiom

noun:

• compartment in a fishing boat with seawater for reviving or keeping alive fresh fish or bait

expression:

• third climate of spring (when the ice breaks and fish start appearing near the surface) ➜ 七十二候