Definition - What does Cisco Certified Network Associate (CCNA) mean? The Cisco Certified Network Associate (CCNA) certification is the second level of Cisco's five-level career certification process. A CCNA certification certifies a technician's ability to install, set up, configure, troubleshoot and operate a medium-sized routed and switched computer network.
noun. verb. The definition of a retort is a quick or witty reply. An example of a retort is a what a person would say if they were mocking someone back who just mocked her. Retort is defined as to reply to something, often in a witty or sarcastic way that turns the comment back to the previous speaker.
contort. to twist or wrench out of its usual form into one that is grotesque; distort violently: a face contorted with pain. ; from Classical Latin contortus, past participle of contorquere, to whirl, twist; from com- , together + torquere, to twist: see tort.Origin of contort.hen you taste something very sour and you twist your face up in an odd expression to show your displeasure, this is an example of a time when you contort your face.