Welsh edit

Etymology edit

From chwe (six) +‎ ongl (angle).

Noun edit

chweongl m (plural chweonglau, not mutable)

  1. hexagon
    Synonym: hecsagon

Further reading edit

R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke et al., editors (1950–present), “chweongl”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies