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Webster 1913 Edition

Adj.

[L.

ferreus

, fr.

ferrum

iron. Cf.

Partaking of, made of, or pertaining to, iron; like iron.

[Obs.]

Sir T. Browne.

Adj.

[L. ferreus, from ferrum, iron.]

Partaking of iron; pertaining to iron; like iron; made of iron.

ferreous ‎(comparative more ferreous, superlative most ferreous)