| Noun | 1. | sire - a title of address formerly used for a man of rank and authority | |
| 2. | sire - the founder of a family; "keep the faith of our forefathers"patriarch - any of the early Biblical characters regarded as fathers of the human race | |
| 3. | sire - male parent of an animal especially a domestic animal such as a horsemale - an animal that produces gametes (spermatozoa) that can fertilize female gametes (ova) | |
| Verb | 1. | sire - make children; "Abraham begot Isaac"; "Men often father children but don't recognize them"create, make - make or cause to be or to become; "make a mess in one's office"; "create a furor" | |