hĭulco — Lewis & Short
hĭulco, no
I perf., ātum, 1, v. a. hiulcus, to cause to gape or split open, to break into chinks:
cum gravis exustos aestus hiulcat agros,Cat. 68, 62:
per hiulcatos agros,Fortun. Carm. 6, 12, 6.