The Collaborative International Dictionary of English v.0.48:

Moe \Moe\, n.
   A wry face or mouth; a mow. [Obs.]
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Moe \Moe\, v. i.
   To make faces; to mow. [Obs.]
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Moe \Moe\, a., adv., & n. [AS. m[=a] See More.]
   More. See Mo. [Obs.] "Sing no more ditties, sing no moe."
   --Shak.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Mo \Mo\ (m[=o]), a., adv., & n. [Written also moe.] [AS.
   m[=a]. See More.]
   More; -- usually, more in number. [Obs.]
   [1913 Webster]

         An hundred thousand mo.                  --Chaucer.
   [1913 Webster]

         Likely to find mo to commend than to imitate it.
                                                  --Fuller.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Mow \Mow\, n. [Written also moe and mowe.] [F. moue pouting,
   a wry face; cf. OD. mouwe the protruded lip.]
   A wry face. "Make mows at him." --Shak.
   [1913 Webster]

V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

MOE
       Measure of Effectiveness