TICK, noun Credit; trust; as, to buy upon tick
TICK, noun A little animal of a livid color and globose-ovate form, that infests sheep, dogs, goats, cows, etc., a species of Acarus.
TICK, noun [Latin tego; Eng. to deck.] The cover or case of a bed, which contains the feathers, wool or other material.
TICK, verb intransitive [from tick credit.] To run upon score.
1. To trust.
TICK, verb intransitive [Latin tango, tago.] To beat; to pat; or to make a small noise by beating or otherwise; as a watch.