Rá

As defined by A Concise Dictionary of Old Icelandic (Geir Zoëga):

rá Old Icelandic word can mean:

rá

I)

rá

(gen. rár, pl. rár), f. sail-yard.

rá

II)

rá

f. roe (cf. rábukkr).

rá

III)

rá

f.

rá

1) corner, nook (rá er hyrning húss);

rá

2) berth in a ship (skammar ‘ro skips rár).

Possible runic inscription in Younger Futhark:ᚱᛅ