Sentence:  [This is Alamac in the "Alfonsine Tables" and 1515 "Almagest"; Riccioli's Alamak; Flamsteed's Alamech; now <WSD>Almach</WSD>, Almak, Almaack, and Almaac or Almaak; all from Al 'Anāḳ al 'Arḍ, a small predatory animal of Arabia, similar to a badger, and popularly known there as Al Barīd.] 
Meaning of the word marked with <WSD> tags:  A second-(magnitude) (quadruple star), (telescopically) visible as an apparent (double star) composed of an orange (bright giant) and a fifth-magnitude blue-white (triple star), marking the left foot of the chained woman in the northern (constellation) of (Andromeda).