seld adjective 2noun 2adverb 1forms 3 adjective2 •(no longer used) Rare; uncommon. •(no longer used) Unusual; unwonted. noun2 •(no longer used) A seat, throne. •(no longer used) A shop (in Medieval Latin records selda or silda (cf. Latin sella (“seat, chair”)); also in Anglo-Norman form seude). Also, a stand for spectators. adverb1 •(dialect, no longer used) Seldom.knowing how far such an amitie is from the common use, and how seld seene and rarely found, I looke not to finde a competent judge. — 2006 formsselds · more seld · most seld