Meanings
nounmesomorph (plural mesomorphs)
plural mesomorphs
- A person with pronounced muscular development and low body fat.
They found that endomorphs had significantly greater asymmetry in arm fat than mesomorphs and ectomorphs. […] They can also achieve mesomorph qualities through resistance training (which builds muscle) and a balanced diet rich in protein.
2025 February 4, Laura Schober, “What Does It Mean To Have an Endomorph Body Type?”, in Health - bodybuildingA theoretical body type in which a person naturally has lower body fat and greater ability to achieve muscular development than average.
Origin
Derived from mesoderm + -morph by William Herbert Sheldon. Equivalent to meso- + -morph.
Full word history & related roots →Cite this entry
APA
mesomorph. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/mesomorph
MLA
“mesomorph.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/mesomorph. Accessed November 2, 2026.
Chicago
WatkinsX Dictionary, s.v. “mesomorph,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/mesomorph.
Source: mesomorph on Wiktionary, CC BY-SA 4.0.