cavus

Borrowed from Latin cavus.

cavus (uncountable)

1. (geology) In planetary geology, it is used to refer to irregular steep-sided depressions that do not seem to be impact craters.

• UCAVs

From Proto-Italic *k(a/o)w(w)os, from Proto-Indo-European *ḱówHwos (“cavity”) (compare Irish cúas (“hollow, cavity”), from Proto-Indo-European *ḱewH- (“to swell”) (compare Tocharian B kor (“throat”), Albanian cup (“odd, uneven”), Ancient Greek κύαρ (kúar, “eye of needle, earhole”), Old Armenian սոր (sor, “hole”), Sanskrit शून्य (śūnya, “empty, barren, zero”)) + *-wós.

• (Classical) IPA^(key): /ˈka.wus/, [ˈka.wʊs]

cavus (feminine cava, neuter cavum); first/second declension

1. hollow, concave
2. excavated, channeled

First/second declension.

• (concave): plēnus

cavus m (genitive cavī); second declension

1. Alternative form of cavum

Second declension.

• Pokorny, Julius (1959) Indogermanisches etymologisches Wörterbuch [Indo-European Etymological Dictionary] (in German), volume II, Bern, München: Francke Verlag, page 592
• cavus in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• cavus in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• cavus in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition, 1883–1887)
• cavus in Gaffiot, Félix (1934) Dictionnaire Illustré Latin-Français, Hachette