Defn: The vermiform appendix.
APPENSION
Ap*pen"sion, n.
Defn: The act of appending. [Obs.]
APPERCEIVE Ap`per*ceive", v. t. Etym: [F. apercevoir, fr. L. ad + percipere, perceptum, to perceive. See Perceive.]
Defn: To perceive; to comprehend. Chaucer.
APPERCEPTION Ap`per*cep"tion, n. Etym: [Pref. ad- + perception: cf. F. apperception.] (Metaph.)
Defn: The mind's perception of itself as the subject or actor in its own states; perception that reflects upon itself; sometimes, intensified or energetic perception. Leibnitz. Reid. This feeling has been called by philosophers the apperception or consciousness of our own existence. Sir W. Hamilton.
APPERIL
Ap*per"il, n.
Defn: Peril. [Obs.] Shak.
APPERTAIN
Ap`per*tain", v. i. [imp. & p. p. Appertained; p. pr. & vb. n.
Appertaining.] Etym: [OE. apperteinen, apertenen, OF. apartenir, F.
appartenir, fr. L. appertinere; ad + pertinere to reach to, belong.
See Pertain.]