What is the meaning of ᚱ?

A letter of the Runic alphabet, present in the Elder Fuþark, the Anglo-Saxon Fuþorc (called rād), and the Younger Fuþark (called reið). Represents /r/ and is reconstructed as *raidō, associated with travel.

the fifth letter of the Old English runic alphabet, representing /r/ and pronounced rād (“journey”)

Source: wiktionary.org