Definition of adrectal in English:

adrectal

adjective

Zoology
  • Situated at or near the rectum; especially (formerly) designating the glands of certain gastropod molluscs from which Tyrian purple was obtained (now usually called hypobranchial).

Origin

Late 19th century; earliest use found in Encyclopaedia Britannica. From ad- + rectal.

Pronunciation:

adrectal

/adˈrɛktl/