The Collaborative International Dictionary of English v.0.48:
Disard \Dis"ard\, n. See Dizzard. [Obs.] --Burton. [1913 Webster]The Collaborative International Dictionary of English v.0.48:
Dizzard \Diz"zard\ (d[i^]z"z[~e]rd), n. [See Dizzy, and cf. Disard.] A blockhead. [Obs.] [Written also dizard, and disard.] -- Diz"zard*ly, adv. [Obs.] [1913 Webster]