definition of
sticker

[1] #1 sticker n. [spine, thorn, prickle, pricker, spikelet] a small sharp-pointed tip resembling a spike on a stem or leaf. wn

[2] #2 sticker n. [gummed label, paster] an adhesive label. wn

[3] #3 sticker n. [poser, stumper, toughie] a particularly difficult or baffling question or problem. wn

[4] #4 sticker n. [dagger] a short knife with a pointed blade used for piercing or stabbing. wn