| Noun | 1. | clip-on - a device (as an earring, sunglasses, microphone etc.) that is attached by clips device - an instrumentality invented for a particular purpose; "the device is small enough to wear on your wrist"; "a device intended to conserve water" |
| Adj. | 1. | clip-on - attachable by a clip; "clip-on earrings"; "a clip-on bow tie" attachable - capable of being fastened or added to something else; "a handle attachable by two bolts" |