Meanings
nounmastidion (plural mastidions or mastidia)
plural mastidions · plural mastidia
- anatomyA projection or bump on the chelicerae.
Origin
- Ancient Greekμαστίδιον
- Englishmastidion
From Ancient Greek μαστίδιον (mastídion), diminutive of μαστός (mastós, “breast(-shaped object”). Compare mastoid.
More words from Ancient Greek
Full word history & related roots →Rhymes & wordplay
Anagrams
Cite this entry
APA
mastidion. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/mastidion
MLA
“mastidion.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/mastidion. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “mastidion,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/mastidion.
Source: mastidion on Wiktionary, CC BY-SA 4.0.