A narrow appendage (to a house, field, etc. that sticks out; also used of receding hairline on both sides).
My field has a narrow appendage.
He has a receding hairline (lit. his forehead has an appendage).
For s.t. to extend into s.t.
The field extends into the forest.
His house extends at (lit. towards) the back.
Magso'okan tahikin.
The sea has many inlets (lit. the sea is extending into (the land)).