Anat. and Zool. [L. jugulum collar-bone, also neck, throat, dim. formation from jug-, stem of jungĕre to join.] A name for the collar-bone; also for the throat, or the lower front part of the neck, esp. in birds; in Entom. applied to corresponding parts in insects.
1706. Phillips, Jugulum, the fore-part of the Neck, where the Wind-pipe is; the Neck-bone, Throat-bone, or Channel-bone: Also, the upper Breast-bone.
1826. Kirby & Sp., Entomol., III. 526. Jugulum. This part, which may be regarded as analogous to the throat in vertebrate animals, lies between the cheeks . It is particularly conspicuous and elevated in the Lamellicorn beetles.
1828. Stark, Elem. Nat. Hist., I. 215. Plumage brown above, fulvous beneath; throat and jugulum black.