A tiny woodland arachnid of the suborder Ixodida.

A relatively quiet but sharp sound generally made repeatedly by moving machinery. / A mark on any scale of measurement; a unit of measurement.

To make a clicking noise similar to the movement of the hands in an analog clock. / To make a tick or checkmark. / (informal, intransitive) To work or operate, especially mechanically.

(uncountable) Ticking. / A sheet that wraps around a mattress; the cover of a mattress, containing the filling.

(UK, colloquial) Credit, trust.

(intransitive) To go on trust, or credit. / (transitive) To give tick; to trust.

(obsolete, place names) A goat.

(Canada, US, slang) Ticked off; annoyed. / flecked, multicolored

simple past tense and past participle of tick

A strong cotton or linen fabric used to cover pillows and mattresses.