cement-gland

from The Century Dictionary.

• noun The gland which secretes the cement of a cirriped. Darwin. See cement, n., 5.
• noun A gland which serves to fasten its possessor to a foreign body.
• noun Specifically — in platyhelminths, one of the glands whose secretion causes the eggs to adhere together or to a foreign body, or incloses them in a cocoon;
• noun in entomology, one of a pair of cement-secreting glands occurring in the bees and ants and discharging their secretion through the sting. They correspond to the tubular glands of the Orthoptera.