iron hat
[iron a. and hat.]
1. An iron helmet shaped like a hat. (Cf. hat n. 1, quots. 1400, 1484.)
| 13.. K. Alis. 1629 Of sum weore the brayn out-spat, Al undur theo iren [Bodl. MS. yrnen] hat. 13.. Coer de L. 367 He sette hys stroke on hys yren hat. |
2. Mining. = gossan. U.S.
| 1881 in Raymond Mining Gloss. |