Definition of Tick

Noun

• a light mattress
  
• a mark indicating that something has been noted or completed etc.
  "as he called the role he put a check mark by each student's name"
  - check mark check
• any of two families of small parasitic arachnids with barbed proboscis
  feed on blood of warm-blooded animals
  
• a metallic tapping sound
  "he counted the ticks of the clock"
  ticking

Verb

• put a check mark on or near or next to
  "Please check each name on the list"
  "tick off the items"
  "mark off the units"
  check - check off mark - mark off - tick off
• sew
  "tick a mattress"
  - retick
• make a sound like a clock or a timer
  "the clocks were ticking"
  "the grandfather clock beat midnight"
  ticktock ticktack beat
• make a clicking or ticking sound
  "The clock ticked away"
  click

• Scrabble® score of the tick (10)
• Word Chums® score of the tick (14)
• Words With Friends® score of the tick (11)