say it: SAM-plur
sampler is a noun meaning "an observation station that is set up to make sample observations of something". It carries 4 recorded senses.
an observation station that is set up to make sample observations of something
someone who samples food or drink for its quality
a piece of embroidery demonstrating skill with various stitches
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for sampler come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.