/al"myooh kan'teuhr/ , n. Astron.
a circle on the celestial sphere parallel to the horizon; the locus of all points of a given altitude. Also called parallel of altitude .
[ 1350-1400; prob. almucantarath al-muqantarat the almucantars, equiv. to al the + muquantarat sundial, deriv. of qantarah arch; r. almicanter, ME almicanteras (pl.) almicantarath ]