The Collaborative International Dictionary
neck sweetbread
Sweetbread \Sweet"bread`\ (sw[=e]t"br[e^]d`), n.
Either the thymus gland or the pancreas, the former being called neck sweetbread or throat sweetbread, the latter belly sweetbread. The sweetbreads of ruminants, esp. of the calf, are highly esteemed as food. See Pancreas, and Thymus.
(Anat.) The pancreas.
WordNet
neck sweetbread
n. edible thymus gland of an animal [syn: throat sweetbread]