Ticks meaning : 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. A jiffy (unit of time defined by basic timer frequency). A short period of time, particularly a second. A periodic increment of damage or healing caused by an ongoing status effect. A mark (✓) made to indicate agreement, correctness or acknowledgement. A bird seen (or heard) by a birdwatcher, for the first time that day, year, trip, etc., and thus added to a list of observed birds. The whinchat. To make a clicking noise similar to the movement of the hands in an analog clock. To make a tick or checkmark. To work or operate, especially mechanically. To strike gently; to pat. To add a bird to a list of birds that have been seen (or heard). Ticking. A sheet that wraps around a mattress; the cover of a mattress, containing the filling. Credit, trust. To go on trust, or credit. To give tick; to trust. (place names) A goat.