bloomery

[bloo-muh-ree] /ˈblu mə ri/
noun, plural bloomeries.
1.
Metalworking. a hearth for smelting iron in blooms of pasty consistency by means of charcoal.
Origin
1575-85; bloom2 + -ery
British Dictionary definitions for bloomery

bloomery

/ˈbluːmərɪ/
noun (pl) -eries
1.
a place in which malleable iron is produced directly from iron ore