tare

Short definition from Wiktionary

Noun

1. 1
   A vetch, or the seed of a vetch (genus Vicia, esp. Vicia sativa)
2. 2
   Any of the tufted grasses of genus Lolium; darnel.
3. 3
   A damaging weed growing in fields of grain.
4. 4
   The empty weight of a container; unladen weight.
5. 5
   Any of various dipping sauces served with Japanese food, typically based on soy sauce.
6. 6
   Alternative form of tara (“Indian coin”).
7. 7
   radiotelephony clear-code word for the letter T.

Verb

1. 1
   To take into account the weight of the container, wrapping etc. in weighting merchandise.
2. 2
   To set a zero value on an instrument (usually a balance) that discounts the starting point.
3. 3
   simple past of tear