## EnglishEdit

### EtymologyEdit

poly- + (di)abolo, from the resemblance of a diabolo in cross-section to two right isosceles triangles joined at the vertices of their right angles

### NounEdit

**polyabolo** (*plural* **polyabolos** *or* **polyaboloes**)

- (geometry) A polyform made by joining right isosceles triangles edge to edge in various arrangements.