repugnatorial
/rɪˌpʌɡnəˈtɔːrɪəl/Zoology
adjective
Of or relating to the secretion by some invertebrates of a repellent fluid for defence against predators.
- Earliest in repugnatorial gland..
Origin
Late 19th century; earliest use found in Psyche. From classical Latin repugnātōrius repugnatory + -al.