‖ antrum
(ˈæntrəm)
Pl. -a.
[L., a. Gr. ἄντρον cave.]
A hollow place, a cavern; spec. applied in Phys. to cavities in the body.
| 1398 Trevisa Barth. De P.R. xiv. liii. (1495) 486 A derke caue hyghte Antrum. 1727–51 Chambers Cycl., Antrum Highmorianum is a cavity discovered within the sinus of each maxillary bone. 1842 E. Wilson Anat. Vade M. 33 The..antrum of Highmore. 1877 Huxley Anat. Inv. An. vii. 388 The nasal cavities and maxillary antra of Carnivores. |