Although tefillin is technically the plural form (the singular being tefillah), it is loosely used as a singular as well. The arm-tefillin, or shel yad, is placed on the upper arm, and the strap wrapped around the arm/hand, hand and fingers; while the head-tefillin, or shel rosh, is placed above the forehead.
Definition of declination. 1 : angular distance north or south from the celestial equator measured along a great circle passing through the celestial poles. 2 : a turning aside or swerving. 3 : deterioration moral declination. 4 : a bending downward : inclination.
Local Sky. 1  What is the declination of zenith at the North Pole? 2  What is the declination of zenith at the Equator? 3  What is the declination of zenith in Cleveland? 4  What is the altitude of the giant elliptical galaxy M87 (declination: +12 o) when it transits in Cleveland? 5  What declination defines a circumpolar star in Cleveland? 6  What declination ...