1.Definition: a particularly difficult or baffling question or problem

Related Noun(s):poser, stumper, toughie

Category: General

2.Definition: a short knife with a pointed blade used for piercing or stabbing

Related Noun(s):dagger

Category: Objects

3.Definition: a small sharp-pointed tip resembling a spike on a stem or leaf

Related Noun(s):pricker, prickle, spikelet, spine, thorn

Category: Plants

4.Definition: an adhesive label

Related Noun(s):paster

Category: General