coupling

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

noun a connection (like a clamp or vise) between two things so they move together
noun a mechanical device that serves to connect the ends of adjacent objects
noun the act of pairing a male and female for reproductive purposes

From Middle English couplynge; equivalent to couple + -ing.

Leave couplings between cars as loose as possible. — Simple Sabotage Field Manual, United States. Office of Strategic Services
Yes; a few such à priori couplings must be admitted. — The Will to Believe, and Other Essays in Popular Philosophy, William James
Its gates are open to you on other topics than the coupling of inebriates. — Complete Short Works of George Meredith, George Meredith

yoke

Type a word, a sentence, a book title, or a link to an English article. WordNet and the Classics answer.

Try

A library of classics · a vault of words · instant etymology & meaning