TARES

noun

1. A vetch, or the seed of a vetch (genus Vicia, esp. Vicia sativa)
2. Any of the tufted grasses of genus Lolium; darnel.
3. A damaging weed growing in fields of grain.

noun

1. The empty weight of a container; the tare weight or unladen weight.

verb

1. To take into account the weight of the container, wrapping etc. in weighting merchandise.
2. To set a zero value on an instrument (usually a balance) that discounts the starting point.