From sychu (“to dry”) +‎ -wr.

• IPA^(key): /ˈsəχʊr/
• Rhymes: -əχʊr

sychwr m (plural sychwyr, not mutable)

1. dryer
2. duster

   Synonyms: clwt, cadach

3. desiccant
4. (occupation) dryer, wiper

• sychydd

• sychwr ffenestr (“windscreen wiper”)
• sychwr gwallt (“hairdryer”)

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