Tick meaning

a metallic tapping sound

“he counted the ticks of the clock”

any of two families of small parasitic arachnids with barbed proboscis; feed on blood of warm-blooded animals

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”

a light mattress

make a clicking or ticking sound

“The clock ticked away”

make a sound like a clock or a timer

“the clocks were ticking”

“the grandfather clock beat midnight”

sew

“tick a mattress”

put a check mark on or near or next to

“Please check each name on the list”

“tick off the items”