Definition of "forder"

Hundreds of snakes had sought refuge in it, and as many of them remained under water, the forders were not able to see them until they almost came in contact with the reptiles.

1894, Ivan Dexter, Talmud: A Strange Narrative of Central Australia, published in serial form in Port Adelaide News and Lefevre's Peninsula Advertiser (SA), Chapter VII

Re-enter this as the adult of solitude, / The silence-forder and the definite / Presence you sensed withdrawing first time round.

1991, Seamus Heaney, Seeing Things, New York: Farrar Straus Giroux, Part II, Settings xiii, p. 67