fax (faxes plural & 3rd person present) (faxing present participle) (faxed past tense & past participle )
1 n-count A fax or a fax machine is a piece of equipment used to copy documents by sending information electronically along a telephone line, and to receive copies that are sent in this way.
...a modern reception desk with telephone and fax...
2 verb If you fax a document to someone, you send it from one fax machine to another.
I faxed a copy of the agreement to each of the investors... V n to n
3 n-count You can refer to a copy of a document that is transmitted by a fax machine as a fax.
I sent him a long fax, saying I didn't need any help.