sampler

(noun) an observation station that is set up to make sample observations of something. Synonyms: sampling station.

(noun) someone who samples food or drink for its quality. Synonyms: taster, taste tester, taste-tester.

(noun) an assortment of various samples. Examples: "A candy sampler." "A sampler of french poets."

(noun) a piece of embroidery demonstrating skill with various stitches.