interj. phr. Obs. [Origin doubtful; perhaps for back there! or back-er (= farther back); Nares says the allusion is to an ignorant man who affected to speak Latin, in accordance with which Webster makes the word trisyllabic.] Back! stand back! give place!
a. 1553. Udall, Roister D. (Arb.), 16. Ah sir, Backare quod Mortimer to his sowe.
1592. Lyly, Mydas, I. ii. 10. The masculine gender is more worthy than the feminine, therefore Liciobackare.
1596. Shaks., Tam. Shr., II. i. 72. Let vs that are poore petitioners speake too. Bacare, you are meruaylous forward.
1660. in Howell, Eng. Prov. (as in 1553).