| Noun | 1. | stag - male red deer | |
| 2. | stag - adult male deerbuck - mature male of various mammals (especially deer or antelope) | |
| Verb | 1. | stag - attend a dance or a party without a female companion | |
| 2. | stag - give away information about somebody; "He told on his classmate who had cheated on the exam"inform - impart knowledge of some fact, state or affairs, or event to; "I informed him of his rights" sell out - give information that compromises others | |
| 3. | stag - watch, observe, or inquire secretly | |