(and, unstressed ənd, ən) conj.
1. Also; added to; as well as: a particle denoting addition, emphasis, or union, used as a connective between words, phrases, clauses, and sentences: shoes and ships and sealing wax; walking miles and miles; a horse both swift and strong.
2. As a result or consequence: Speak one word and you are a dead man!
3. To: in idiomatic use with come, go, try, etc.: Try and stop me; Come and see us; Go and find the answer.
4. Archaic Then: And she answered unto him.
5. Obs. If; in addition. See synonyms under BUT¹. [OE]

/or
Either and or or, according to the meaning intended: Place bills and/or coins in this container: a business and legal usage.