Definition of 輪留め (わどめ)
わど
                        輪留め
わどめ
wadome
noun
1.
wheel stops, wedges, blocks, parking curb, sprag, chock
See also:車輪止め (しゃりんどめ)
2.
linchpin
Other readings:
                輪止め【わどめ】
                Related Kanji
| 輪 | wheel, ring, circle, link, loop, counter for wheels and flowers | 
| 留 | detain, fasten, halt, stop | 
| 止 | stop, halt |