n. [ L. decipiens, p. pr. of decipere. See Deceive. ] State of being deceived; hallucination. [ Obs. ] Sir T. Browne. [ 1913 Webster ]
n.;
[ Marlborough ] was so miserably ignorant, that his deficiencies made him the ridicule of his contemporaries. Buckle. [ 1913 Webster ]
Deficiency of a curve (Geom.),