[weft] 
[fil-ing] | 1. | an act or instance of filling. |
| 2. | something that is put in to fill something else: They used sand as filling for the depression. |
| 3. | Dentistry. a substance such as cement, amalgam, gold, or the like, used to fill a cavity caused by decay in a tooth. |
| 4. | a food mixture that goes into something, as if to fill it: sandwich filling; pie filling. |
| 5. | Also called pick, weft, woof. Textiles. yarn carried by the shuttle and interlacing at right angles with the warp in woven cloth. |
| weft (wěft) n.
[Middle English, from Old English wefta; see webh- in Indo-European roots.] |
filling fill·ing (fĭl'ĭng)
n.
Material, such as amalgam, gold, or a synthetic resin, used to fill a cavity in a tooth.
weft
in woven fabrics, the widthwise, or horizontal, yarns carried over and under the warp, or lengthwise, yarns and running from selvage to selvage. Filling yarns are generally made with less twist than are warp yarns because they are subjected to less strain in the weaving process and therefore require less strength
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