Tick - Definition

n 1: a metallic tapping sound; "he counted the ticks of the
clock" [syn: tick, ticking]
2: any of two families of small parasitic arachnids with barbed
proboscis; feed on blood of warm-blooded animals
3: 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" [syn: check mark, check, tick]
4: a light mattress
v 1: make a clicking or ticking sound; "The clock ticked away"
[syn: click, tick]
2: make a sound like a clock or a timer; "the clocks were
ticking"; "the grandfather clock beat midnight" [syn: tick,
ticktock, ticktack, beat]
3: sew; "tick a mattress" [syn: tick, retick]
4: 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"
[syn: check, check off, mark, mark off, tick off,
tick]