low-set

short and thick; as e.g. having short legs and heavy musculature

• “some people seem born to be square and chunky”
• “a dumpy little dumpling of a woman”
• “dachshunds are long lowset dogs with drooping ears”
• “a little church with a squat tower”
• “a squatty red smokestack”
• “a stumpy ungainly figure”

lower than average

• “lowset ears”
• “a stocky low-set animal”