(uncountable, chiefly veterinary medicine) Originally of both persons and animals, now only of animals: looseness of the bowels; diarrhoea; (countable) a bout of this ailment.

(intransitive, obsolete) To have loose bowels; to suffer from diarrhoea.

(obsolete) Lax, weak; specifically of the bowels: affected by diarrhoea; loose.