† button ironn.Obsolete an instrument with a small knob at the end used for cauterizing; cf. button cauteryn. and ironn.1 8.
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button iron1566
stopping pan1566
probang1657
searcher1834
flea collar1953
1566 T. BlundevilleOrder curing Horses Dis. lii. f. 34 in Fower Offices Horsemanshippe With a button yron of an ynche about, burne at eche ende a hole.