Answer:

lat

Answer	Crossword Clue
LAT	Latitude; abbr
LAT	Back muscle, familiarly
LAT	Opposite of long.

LAT	Long. counterpart
LAT	Back muscle, at Planet Fitness
LAT	Iron-pumper's muscle
LAT	Lifter's back muscle
LAT	Back muscle
LAT	Long. partner
LAT	Long. crosser
LAT	Delt neighbor

LAT	Long.'s counterpart
LAT	Long.'s opposite
LAT	Classic lang.
LAT	Back muscle, briefly
LAT	E-W map line
LAT	Map abbr.
LAT	Global positioning fig.
LAT	No. between 0 and 90

LAT	Old lang.
LAT	Pull-down exercise target
LAT	Workout target, for short
LAT	Trop. of Cancer, for one
LAT	Pull-up beneficiary, briefly
LAT	Back muscle, familiarly (m)
LAT	Back muscle, for short
LAT	It's 0 at the equator: Abbr.

LAT	Bodybuilder's target, briefly
LAT	Pulldown beneficiary, for short
LAT	GPS determination
LAT	Map abbreviation
LAT	Map coordinate: Abbr.
LAT	No. that's zero at the equator
LAT	Parallel meas.
LAT	Back muscle, in gym lingo

LAT	0 deg., at the equator
LAT	Delt's neighbor
LAT	No. in a map's right margin
LAT	Pumper's pride, perhaps
LAT	Back muscle, to weightlifters