dealer noun
ADJ. licensed It is always a good idea to sell through a licensed dealer. | reputable Always buy from a reputable dealer. | shady, unscrupulous | antique/antiques, arms, art, car, drug
PREP. through a/the ~ She sold the painting through a London art dealer. | ~ in a dealer in antiques > Note at JOB
You can also check other dicts: dealer (English, 中文解释 ), wordnet sense, Collins Definition