north. dial. [Irreg. f. vally VALUE sb.] The value or worth of a thing.
1790. Grose, Prov. Gloss., Vallidom, the value of.
1828–. in north. dial. glossaries (Yks., Durh., Cumbld., Lancs., Linc.).
1887. A. E. Barr, Border Shepherdess, iv. 57. He knew the vallidom of everything he possessed to a halfpenny.
