Definitions
1.NounA tiny woodland arachnid of the suborder Ixodida.
2.NounA relatively quiet but sharp sound generally made repeatedly by moving machinery."The steady tick of the clock provided a comforting background for the conversation."
3.NounA mark on any scale of measurement; a unit of measurement."At midday, the long bond is up a tick."
4.NounA jiffy (unit of time defined by basic timer frequency).
5.NounA short period of time, particularly a second."I'll be back in a tick."
6.NounA periodic increment of damage or healing caused by an ongoing status effect.
7.NounEach of the fixed time periods, in a tick-based game, in which players or characters may perform a set number of actions.
8.NounA mark (✓) made to indicate agreement, correctness, or acknowledgement."Indicate that you are willing to receive marketing material by putting a tick in the box"
9.NounA 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.
10.NounA whinchat (Saxicola rubetra).
11.NounA tap or light touch.
12.NounA slight speck.
13.VerbTo make a clicking noise similar to the movement of the hands of an analog clock.
14.VerbTo make a tick or checkmark.
15.VerbTo work or operate, especially mechanically."He took the computer apart to see how it ticked.; I wonder what makes her tick."
16.VerbTo strike gently; to pat.
17.VerbTo add (a bird) to a list of birds that have been seen (or heard).
18.NounTicking.
19.NounA sheet that wraps around a mattress; the cover of a mattress, containing the filling.
20.NounCredit, trust.
21.Verb(Can we verify this sense?)To go on trust, or credit.
22.Verb(Can we verify this sense?)To give tick; to trust.
23.NounA goat."Tickhill, Tickham, Ticknock, Tickenhall Drive, Tickenhill Manor, Tickenhurst"