Definition of "fax" in English

noun

1. (obsolete or UK dialectal) The hair of the head.

2. (obsolete and derisively) The face.

noun

1. Ellipsis of fax machine (“the device for faxing; the medium of communication that it provides”).

   • OK, now take it down the hall to the fax.
   • You can send it via email or fax. You can use an online fax service where you upload a PDF and then send it to a fax number.

2. A document sent, or received and printed, by a fax machine.

verb

1. To send a document via a fax machine.

noun

1. (informal) Nonstandard form of facts.

interjection

1. (informal) Alternative form of facts (“used to express agreement”).