Relating to or denoting a stocky physique with a rounded body and head, thickset trunk, and a tendency to fat.
Which came first? The short stocky pyknic or the picnic with cold chicken and warm wine I wonder?
“Tony’s easy to spot in the crowd, he’s the one with the pyknic physique and florid face.”
“He has a natural tendency towards the pyknic body type and has to work very hard to maintain a slender frame.”