noun
whiskers; vibrissae
Refers to the specialized tactile hairs on animals, especially mammals like cats and rodents. The term 洞毛 is more technical than ひげ, and is often used in biology or veterinary contexts.
猫の洞毛は非常に敏感で、空気の動きを感じ取ることができる。
A cat's whiskers are extremely sensitive and can detect air movements.
洞毛は哺乳類の重要な感覚器官の一つである。
Vibrissae are one of the important sensory organs in mammals.