Which can be cancelled.

Marked with cross lines; crossbarred. / (anatomy) Open or spongy, like certain porous bones.

plural of canceleer

A hawk's turning motion in midair, often to make a second stoop toward missed prey.

(philately) A cancellation mark that is so heavy that it defaces the postage stamp to which it is applied, devaluing it from a collector's point of view.

plural of killer cancel

(philately) Synonym of mute cancel

(neologism, often derogatory) The cultural phenomenon of publicly shaming, rejecting, and ceasing to provide support to people, companies, stores, etc. that are deemed unacceptable, and calling on others to boycott them.

(sound, headphones) the active cancellation of outside noise by creation of an inverse waveform to null out noise soundwaves within the subject environment

(philately) A postal cancellation that does not state any location or date, used in wartime to prevent the enemy gathering information about troop movements from captured mail.