Meanings
nounmastofauna (uncountable)
- rareuncountablebiologyThe mammals, or all kinds of mammals, inhabiting a region.
Origin
Superficially masto- (“relating to mammary organs”) + fauna, though perhaps calquing or borrowed directly from a term like Spanish mastofauna.
Full word history & related roots →Cite this entry
APA
mastofauna. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/mastofauna
MLA
“mastofauna.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/mastofauna. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “mastofauna,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/mastofauna.
Source: mastofauna on Wiktionary, CC BY-SA 4.0.