illapse
Il*lapse", v. i. [imp. & p. p. Illapsed; p. pr. & vb. n. Illapsing.] Etym: [L. illapsus, p.p. of illabi; pref. il- in + labi to fall, slide.] Defn: To fall or glide; to pass; -- usually followed by into. Cheyne. Il*lapse", n. Etym: [L. illapsus. See Illapse, v. i.] Defn: A gliding in; an immisson or entrance of one thing into another; also, a sudden descent or attack. Akenside. They sit silent . . . waiting for an illapse of the spirit. Jeffrey.