hwylbrennog

== Welsh == === Etymology === hwylbren (“sail”) +‎ -og. === Adjective === hwylbrennog (feminine singular hwylbrennog, plural hwylbrennog, not comparable, not mutable) (nautical) masted, having masts === Further reading === R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “hwylbrennog”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies