Source : Webster's Revised Unabridged Dictionary (1913)

Vigesimo-quarto \Vi*ges"i*mo-quar"to\, n.; pl. {-tos}.
   A book composed of sheets each of which is folded into
   twenty-four leaves; hence, indicating more or less definitely
   a size of book so made; -- usually written 24mo, or 24[deg].

Anito \A*ni"to\, n.; pl. {-tos}. [Sp.]
   In Guam and the Philippines, an idol, fetich, or spirit.