adj. [cost tried] Tried, proved, chosen; probātus :-- Til mon, tiles and tomes meares, cúþes and gecostes a good man has care for a good and tame horse known and tried, Exon. 91 a; Th. 342, 14; Gn. Ex. 143. Heápe gecoste with a chosen company, Elen. Kmbl. 538; El. 269. Swyrd ecgum gecoste swords tried in their edges, Judth. 11; Thw. 24, 39; Jud. 231. Ða ðe seolfres beóþ since gecoste qui probāta sunt argento, Ps. Th. 67, 27. Ðæt sind ða gecostan cempan these are the proved champions, Exon. 33 b; Th. 107, 21; Gú. 62. [Cf. Goth. ga-kusts; f. trial, test : O. H. Ger. gi-costót proved.]