a. Obs.1 [ad. L. fūsōri-us, f. fūs- ppl. stem of fundĕre to pour.] Adapted or tending to fuse or melt.

1

1678.  R. R[ussell], Geber, V. v. 276. The Fusory Furnace is that, in which all Bodies are easily melted by themselves.

2