Definition of "working"

working¹

/ˈwɜːkɪŋ/

noun
countable and uncountable, plural workings
1. (usually in the plural) Operation; action.
2. Method of operation.
3. (arithmetic) The incidental or subsidiary calculations performed in solving an overall problem.
4. Fermentation.
5. (of bodies of water) Becoming full of a vegetable substance.
6. A place where work is carried on.
7. (countable) A train movement.
  Quotations
  From time to time the coaches of the Lötschberg Railway itself, which in comfort and décor can rank with the finest in Europe today, travel far from the frontiers of Switzerland on through workings such as these.
  1960 December, Cecil J. Allen, “Operating a mountain main line: the Bern-Lötschberg-Simplon: Part One”, in Trains Illustrated, page 743

working²

/ˈwɜːkɪŋ/

verb
1. present participle and gerund of work
adjective
not comparable
1. That is or are functioning.
2. That suffices but requires additional work.
3. In paid employment.
4. Of or relating to employment.
5. Enough to allow one to use something.
6. Used in real life; practical.
7. (obsolete) Efficacious.
  Quotations
  You ſee my Lord, what woorking woordes hee hath.But when you ſee his actions ſtop [sic – meaning top] his ſpeech,Your ſpeech will ſtay, or ſo extol his worth,As I ſhalbe commended and excuſdeFor turning my poore charge to his direction.
  c. 1587–1588, [Christopher Marlowe], Tamburlaine the Great. […] The First Part […], 2nd edition, part 1, London: […] [R. Robinson for] Richard Iones, […], published 1592; reprinted as Tamburlaine the Great (A Scolar Press Facsimile), Menston, Yorkshire, London: Scolar Press, 1973, Act II, scene iii