noun: A videotelephony software developed by Apple Inc., introduced in 2010.
verb: To communicate with somebody using the FaceTime videotelephony software.
noun: Alternative form of face time [Time spent in visual communication with another party (as opposed to communication over the phone, via e-mail, instant messaging, etc.).]
verb: Alternative letter-case form of FaceTime [To communicate with somebody using the FaceTime videotelephony software.]