(1):

(v. i.) To go on trust, or credit.

(2):

(n.) Any one of numerous species of large parasitic mites which attach themselves to, and suck the blood of, cattle, dogs, and many other animals. When filled with blood they become ovate, much swollen, and usually livid red in color. Some of the species often attach themselves to the human body. The young are active and have at first but six legs.

(3):

(n.) Ticking. See Ticking, n.

(4):

(n.) Credit; trust; as, to buy on, or upon, tick.

(5):

(v. i.) To give tick; to trust.

(6):

(n.) Any one of several species of dipterous insects having a flattened and usually wingless body, as the bird ticks (see under Bird) and sheep tick (see under Sheep).

(7):

(n.) The cover, or case, of a bed, mattress, etc., which contains the straw, feathers, hair, or other filling.

(8):

(n.) Any small mark intended to direct attention to something, or to serve as a check.

(9):

(v. t.) To check off by means of a tick or any small mark; to score.

(10):

(n.) The whinchat; - so called from its note.

(11):

(v. i.) To make a small or repeating noise by beating or otherwise, as a watch does; to beat.

(12):

(v. i.) To strike gently; to pat.

(13):

(n.) A quick, audible beat, as of a clock.