Meaning
The locus of a point on the circumference of a circle that rolls without slipping on a fixed straight line.
Etymology
Origin: Unknown
From cyclo- + -oid.
Synonyms & Antonyms
NYT Puzzle Appearances
No published puzzle dates on file for this word yet. It is part of the official NYT Spelling Bee word list for 2022, 2024, 2025, 2026.