What is giving no sure footing; smooth; slippery. [Prov. Eng.] Shingle, slates, and gliddery stones. R. D. Blackmore called?

glidder — Giving no sure footing; smooth; slippery. [Prov. Eng.] Shingle, slates, and gliddery stones. R. D. Blackmore. (Webster's 1913.)

Sources