bach petryal

== Welsh == === Noun === bach petryal m (plural bachau petryal, diminutive bachyn petryal) (typography) square bracket Synonym: bach sgwâr === Mutation === === References === Griffiths, Bruce; Glyn Jones, Dafydd (1995), Geiriadur yr Academi: The Welsh Academy English–Welsh Dictionary‎[1], Cardiff: University of Wales Press, →ISBN R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “bach petryal”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies