ETYM Either Old Fren. clerc, from Latin clericus a priest, or AS. clerc, cleric, clerk, priest, from Latin clericus, from Greek klerikos belonging to the clergy, from kleros lot, allotment, clergy; cf. Deut. xviii. 2. Related to Clergy.
An employee who performs clerical work (e.g., keeps records or accounts).

A person employed to sell merchandise (as to customers in a store or to customers that are visited).

A woman who sells in a given territory, in a store, or by telephone

(Homonym: cellar).
Someone who exchanges goods or services for money; SYN. vender, vendor, trafficker.

1. One that vends; seller
2. Vending machine