tactile organ; touch organ
A biological term for an organ that senses touch, such as antennae, whiskers, or specialized skin structures. Often used in zoology and anatomy contexts.
See also: 触覚器官
Insect antennae are important tactile organs.
Compound of 触覚 (しょっかく, 'sense of touch') and 器 (き, 'organ'). The exact historical derivation is uncertain, but the term follows standard Sino-Japanese word formation patterns.