Sentence:  The SQUILL-INSECT. ... So called from ſome ſimilitude to the "Squill-fiſh": chiefly, in having a long Body cover'd with a Cruſt compoſed of ſeveral Rings or Plates. The Head is broad and <WSD>ſquat</WSD>. He hath a pair of notable ſharp Fangs before, both hooked inward like a "Bulls" horns. 
Meaning of the word marked with <WSD> tags:  Relatively short or low, and thick or broad.