LATIN DICTIONARYLexicon Latīnum
noun · femininefirst declension

echidna

echidna f (genitive echidnae)
Classical[ɛˈkʰɪn.na]Ecclesiastical[eˈkid.na]

Meaning

  1. femininean adder, viper

Declension

declension
formsingularplural
nominativeechidnaechidnae
genitiveechidnaeechidnārum
dativeechidnaeechidnīs
accusativeechidnamechidnās
ablativeechidnāechidnīs
vocativeechidnaechidnae

ĕchidna, ae, f., = ἔχιδνα,
I. an adder, viper. The Furies were said to have them twined in their hair; hence: stipite te Stygio tumidisque adflavit Echidnis E tribus una soror, Ov. M. 10, 313.—
II. Nom. prop.
A. Lernaea, the Lernaean hydra, killed by Hercules, Ov. M. 9, 69; 158; id. F. 5, 405.—
B. A monster, half woman and half serpent, the mother of Cerberus, Ov. M. 4, 501.—Hence, Echidnēus, a, um, adj., of Echidna: canis, i. e. Cerberus, Ov. M. 7, 408.

Origins

Borrowed from Ancient Greek ἔχιδνα (ékhidna, “viper”).

Quick answers

What does echidna mean in Latin?
echidna, a noun, means “an adder, viper”.
What is the genitive of echidna?
The genitive singular is echidnae. echidna is feminine, first declension.
How do you pronounce echidna?
In classical Latin, [ɛˈkʰɪn.na]; in ecclesiastical (church) Latin, [eˈkid.na].