1. [adj]  lower than average; "lowset ears"; "a stocky low-set animal"
2. [adj]  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"

LOW-SET is a 7 letter word that starts with L.