loom

a textile machine for weaving yarn into a textile

come into view indistinctly, often threateningly; "Another air plane loomed into the sky"

appear very large or occupy a commanding position; "The huge sculpture predominates over the fountain"; "Large shadows loomed on the canyon wall"

hang over, as of something threatening, dark, or menacing; "The terrible vision brooded over her all day long"

weave on a loom; "materials loomed in Egypt"