1.
feed, food (for animals)
Food given to animals.
2.
bait
Food used to attract and catch animals or fish.
3.
prey
An animal hunted by another for food.
餌 covers three related meanings: food given to animals, bait used for fishing or trapping, and figuratively, prey or a lure.
COMMON PATTERNS:
- 餌をやる/あげる: to feed (an animal)
- 餌を食べる: to eat food (said of animals)
- 餌にする: to use as bait
- 餌食になる: to fall prey to (often figurative)
FIGURATIVE USE:
In sense 2-3, 餌 is used metaphorically for anything that lures or tempts. 甘い言葉を餌にする means to use sweet words as bait. 餌食 (prey/victim) is a related compound often used for people who fall victim to scams or bullying.
WRITING:
Can be written as 餌 or えさ. The kanji form is more common in formal writing.