Cym·ry 
(kĭmrē, sĭm-)
(kĭmrē, sĭm-)n. (used with a pl. verb)
1. The Brythonic Celts of Wales, Cornwall, and Brittany.
2. The Welsh.
[Welsh, pl. of Cymro, the Welsh people, Wales; see merg- in the Appendix of Indo-European roots.]
- polyposis
- polypropylene
- polyprotic
- polyptych
- polyrhythm
- polyrhythmic
- polyribonucleotide
- polyribosome
- polysaccharid
- polysaccharide
- polysaccharose
- polysemous
- polysemy
- polysepalous
- polysome
- polysomic
- polysorbate
- polyspermic
- polyspermy
- polystichous
- polystyrene
- polysulfide
- polysyllabic
- polysyllabically
- polysyllable