Lewis & Short

† ălŏgus, a, um, adj., = ἄλογος.

  1. I. In gen., destitute of reason, irrational: animalia, Aug. Ep. 86.
  2. II. Esp.
    1. A. In math.: aloga linea, one that does not correspond with another, Capitol. 6 fin.
    2. B. In verse: alogus pes, irregular, which corresponds with no kind of measure, Capitol. 9, p. 329.