源自英語 rubber。
rwber m (複數 rwberi 或 rwbers,無輔音變化)
- (不可數) 橡膠
- (可數) 橡皮擦
- R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke et al., editors (1950–present), “rwber”, Geiriadur Prifysgol Cymru Online (Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies