STEP Hebrew Lexicon: מַחֲלֹ֫קֶת

1) division, course, class, share, allotment

1a) division, part

1b) division, class, course

1b1) of priests, Levites (technical term of organisation)

Aramaic equivalent: mach.le.qah (מַחְלְקָה "class" H4255)