(idiomatic) To fulfill all the requirements, especially as itemized in a list; to have all the needed characteristics; to complete all the steps in a process in an orderly manner.

The tick Ixodes ricinus.

(pathology) A viral infectious disease of the central nervous system borne by ticks, which most often manifests as meningitis, encephalitis, or meningoencephalitis.

Alternative form of tic-tac-toe

Alternative spelling of tic-tac-toe

Ixodes holocyclus, an Australian tick that can cause paralysis by injecting neurotoxins into its host.

the idling of an engine / (by extension) doing a gentle amount of work

an admonition or reprimand

Any of several plants, of the genus Bidens, having yellow flowers and prickly fruit. / The barbed fruit of these plants, which sticks to clothing and to animal fur.

(Britain) The completion of a form containing multiple-choice questions in which one or more boxes need to be ticked by way of an answer.