Definition of ticking in English:

ticking

noun

  • [mass noun] A strong, durable material, typically striped, used to cover mattresses.

    tick
    • ‘Even plain muslin or pillow ticking can look good if you spice it up with fancy ribbon.’

Origin

Mid 17th century: from tick + -ing.

Pronunciation:

ticking

/ˈtɪkɪŋ/