Áll

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

áll Old Icelandic word can mean:

áll

(-s, -ar), m.

áll

1) eel;

áll

2) a deep narrow channel in sea or river (eru nú þeir einir álar til lands, er ek get vaðit);

áll

3) germ, sprout of a plant.

Possible runic inscription in Younger Futhark:ᛅᛚᛚ