n. 25B6; noun
the upper portion of the chimney : PART, piece, bit, section, segment.
her portion of the allowance : SHARE, slice, quota, quantum, part, percentage, amount, quantity, ration, fraction, division, allocation, measure; informal cut, rake-off; Brit. informal whack.
a portion of cake : HELPING, serving, amount, quantity; plateful, bowlful; slice, piece, chunk, wedge, slab, hunk; Brit. informal wodge.
(archaic) poverty was certain to be his portion. : See destiny sense 1.
25B6; verb she portioned out the food : SHARE OUT, allocate, allot, apportion; distribute, hand out, deal out, dole out, give out, dispense, mete out; informal divvy up.