A Weft

1. (weaving) The horizontal threads that are interlaced through the warp in a woven fabric. Warp and weft - Wikipedia
2. (weaving) The yarn used for the weft; the fill.
3. (hairdressing) A hair extension that is glued directly to a person′s natural hair.

Synonyms

• (threads interlaced through the warp): woof
• (yarn used for the threads interlaced through the warp): fill