ectomorph
- n a person with a thin body
- The extreme endomorph is a 711, the extreme mesomorph a 171, the extreme ectomorph a 117.
- The Hugh Lofting children's classic about a pleasingly plump physician who talks to animals has been transformed into a film about a lean ectomorph (Rex Harrison) who treats them .
- On the strength of such engaging fancies, Brooklyn-born Westlake, 41, a softspoken, owlish ectomorph who resembles most of his protagonists, has slipped into the front rank of .