A diploid cell. / A diploid organism.

a diplomat

(education, derogatory) A disreputable university, churning out diplomas to unqualified students.

A group of people (including diplomats) from one nation present in another as authorized representatives of the first, a foreign mission.

Diplomatic intercourse between nations, including the mutual presence of diplomatic missions.

(idiomatic) The pursuit of foreign policy objectives with the aid of conspicuous displays of military power.

(US) A diplomatic bag.

A container with letters etc from representatives of a given country to another country, which has immunity from examination by customs officials.

plural of diplodocus

Any of several herbivorous sauropod dinosaurs, of the genus Diplodocus, known as fossils from the late Jurassic in North America.