1) Blackwork 
Blackwork, sometimes historically termed Spanish blackwork, is a form of embroidery generally using black thread, although other colors were also used on occasion. Sometimes it is counted-thread embroidery which is usually stitched on even-weave fabric. Any black thread can be used, but firmly twisted threads give a better look than embroidery flo...
• (n.) Work wrought by blacksmiths; -- so called in distinction from that wrought by whitesmiths.
Black'work` noun Work wrought by blacksmiths; -- so called in distinction from that wrought by whitesmiths. Knight.