The Collaborative International Dictionary of English v.0.48:

Minim \Min"im\, a.
   Minute. "Minim forms." --J. R. Drake.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Minim \Min"im\, n. [F. minime, L. minimus the least, smallest, a
   superl. of minor: cf. It. minima a note in music. See
   Minor, and cf. Minimum.]
   [1913 Webster]
   1. Anything very minute; as, the minims of existence; --
      applied to animalcula; and the like.
      [1913 Webster]

   2. The smallest liquid measure, equal to about one drop; the
      sixtieth part of a fluid drachm, equal to one
      four-hundred-eightieth of a fluid ounce, or 0.06161
      milliliter (U. S. measure) or 0.05919 milliliters (British
      measure).
      [1913 Webster +PJC]

   3. (Zool.) A small fish; a minnow. [Prov. Eng.]
      [1913 Webster]

   4. A little man or being; a dwarf. [Obs.] --Milton.
      [1913 Webster]

   5. (Eccl. Hist.) One of an austere order of mendicant hermits
      or friars founded in the 15th century by St. Francis of
      Paola.
      [1913 Webster]

   6. (Mus.) A time note, formerly the shortest in use; a half
      note, equal to half a semibreve, or two quarter notes or
      crotchets.
      [1913 Webster]

   7. A short poetical encomium. [Obs.] --Spenser.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Minnow \Min"now\, n. [OE. menow, cf. AS. myne; also OE. menuse,
   OF. menuise small fish; akin to E. minish, minute.] [Written
   also minow.]
   [1913 Webster]
   1. (Zool.) A small European fresh-water cyprinoid fish
      (Phoxinus laevis, formerly Leuciscus phoxinus);
      sometimes applied also to the young of larger kinds; --
      called also minim and minny. The name is also applied
      to several allied American species, of the genera
      Phoxinus, Notropis, or Minnilus, and Rhinichthys.
      [1913 Webster]

   2. (Zool.) Any of numerous small American cyprinodont fishes
      of the genus Fundulus, and related genera. They live
      both in fresh and in salt water. Called also killifish,
      minny, and mummichog.
      [1913 Webster]

WordNet (r) 3.0 (2006):

minim
    n 1: a British imperial capacity measure (liquid or dry) equal
         to 1/60th fluid dram or 0.059194 cubic centimeters
    2: a United States liquid unit equal to 1/60 fluidram
    3: a musical note having the time value of half a whole note
       [syn: half note, minim]