- ticktick1 [tik]n.[ME tek, prob. < Gmc echoic base > Du tikk, MHG zicken, to tick]1. a light touch; pat2. a light clicking or tapping sound, as that made by the escapement of a watch or clock3. a mark (✓, /, etc.) made to check off items; check mark4. [from the time needed for one tick of a clock] [Brit. Informal] Brit. Informal moment; instantvi.1. to make a tick or series of ticks, as a clock2. Informal to function characteristically or well; operate; work [what makes him tick?]vt.1. to indicate, record, or count by a tick or ticks2. Chiefly Brit. to mark or check off (an item on a list, etc.) with a tick: usually with off——————tick off1. [Brit. Informal] to reprimand☆ 2. Slang to make angry or irritabletick2 [tik]n.[ME teke < OE ticia (? for ticca), akin to MDu teke, Ger zecke < IE base * deiĝh-, to prickle, itch > Arm tiz, tick, MIr dega, stag beetle]1. any of a superfamily (Ixodoidea, order Parasitiformes) of wingless, bloodsucking mites, including many species that transmit diseases and are usually parasitic on humans, cattle, sheep, etc.2. any of various degenerate, two-winged, parasitic insectstick3 [tik]n.[LME tykke, akin to MDu tyke, both prob. < early WGmc borrowing < L theca, a cover, sheath: see THECA]1. the cloth case or covering that is filled with cotton, feathers, hair, etc. to form a mattress or pillow2. Informal TICKINGtick4 [tik]n.[contr. < TICKET] [Informal, Chiefly Brit.] credit; trust [to buy something on tick]
English World dictionary. V. Neufeldt. 2014.