cavum

Unadapted borrowing from Latin cavum (“a hollow, hole”). Doublet of cave and cavus.

• (General American) IPA^(key): /ˈkɑv.əm/, /ˈkeɪ.vəm/

cavum (plural cava)

1. (anatomy) A recess or hollow.
   1. The lower part of the concha of the ear adjoining the origin of the helix.
   2. The nasal cavity.
2. (meteorology) A fallstreak hole.

• “cavum”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.

• (Classical Latin) IPA^(key): [ˈka.wũː]
• (modern Italianate Ecclesiastical) IPA^(key): [ˈkaː.vum]

Substantive of cavus (“hollow, excavated, concave”).

• cavus

cavum n (genitive cavī); second declension

1. a hollow, hole, cavity, depression, pit, opening
2. a cave, burrow, cavern

Second-declension noun (neuter).

See the etymology of the corresponding lemma form.

cavum

1. inflection of cavus:
   1. accusative masculine singular
   2. nominative/accusative/vocative neuter singular

• “cavum”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• cavum in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.