especially: one used to direct attention to something, to check an item on a list, or to represent a point on a scale
3
a
finance: the minimum amount by which the price of a security can move upward or downward
The minimum price fluctuation is called a "tick." Gerald Warfield
also: a stock market transaction at a price above or below the last previous transaction in the same security or the change in price that such a transaction represents
an upward/downward tick
The telegraph, and then the stock ticker, provided a number of advantages … . The ticker was named for its characteristic sound when printing; to this day, any movement of a stock's price is called a "tick." Joe Janes
Note that I assume none of you plan to spend your golden years watching the market tick by tick and jumping in and out of stocks. Barry Ritholtz
b
: a small amount
… Wednesday's fifth episode drew 12.3 same-day million viewers, up a tick from the previous week's 12.2 million. Gary Levin
: any of a superfamily (Ixodoidea) of bloodsucking acarid arachnids that are larger than the related mites, attach themselves to warm-blooded vertebrates to feed, and include important vectors of infectious diseases
2
: any of various usually wingless parasitic dipteran flies compare sheep ked
Verb I could hear the clock tick . His old heart is still ticking. Tick the box next to your choice.
Word History
Etymology
Noun (1)
Middle English tek pat, light stroke; akin to Middle High German zic light push
Noun (2)
Middle English tyke, teke; akin to Middle High German zeche tick, Armenian tiz
Noun (3)
Middle English tike, probably from Middle Dutch (akin to Old High German ziahha tick), from Latin theca cover, from Greek thēkē case; akin to Greek tithenai to place — more at do