convulsion noun
Category: abnormalcy: symptoms (miscellaneous).
1604, Cawdrey: (connulsion)
a pulling, or shrinking up.
1626, Cockeram:
the shrinking together of the sinews.
1658, Phillips:
(lat.) a violent pulling together, also a disease wherein the sinews are shrunk up, and drawn together.
1676, Coles:
Not listed.