noun
green foxtail; green bristlegrass
A common weed whose bristly seed head resembles a cat's tail. The name literally means 'cat teaser' because cats like to play with it.
See also: エノコログサ
道端に猫じゃらしがたくさん生えている。
A lot of green foxtail is growing by the roadside.
猫じゃらしの穂を猫
When I waved a green foxtail head in front of the cat, it pounced on it.
noun
cat teaser; kitty teaser
A toy for cats, often a stick with feathers or a fluffy object at the end, designed to mimic prey. The name comes from the plant, but now refers to any such toy.
ペットショップで猫じゃらしを買った。
I bought a cat teaser at the pet shop.
猫じゃらしで遊んであげると、猫が大喜びする。
When I play with the cat using a cat teaser, it gets really excited.