Erf or ERF may refer to:
ERF (truck manufacturer)
'''Erf ''' is a river of Baden-Württemberg, Germany.
Etymology 1 n. 1 inheritance; patrimony. 2 (context by extension English) stock; cattle. Etymology 2
n. (context US regional Cape Colony New York English) A small inherited house-and-garden lot in a village or settlement. Etymology 3
n. (context math English) error function
The Collaborative International Dictionary
Erf \Erf\, n.; pl. Erven. [D.] A garden plot, usually about half an acre. [Cape Colony]
Usage examples of "erf".
At the bend in the hall, the Skull Bearer turned instinctively toward the opposite wing, avoiding the knot of Erven Hunters who rushed up the stairway.
He shifted the hov controls to fingertip pressure, then activated his own ERF.
I could say I braced myself, but between the ERF and the glue of phasing, I was pretty well braced already.
Iss like flotin in2 thi erf & thi sky @ thi time, becomin a line not a point, plumin thi depths & assendin thi hites & then branchin out like a tree, like a plane tree, like a hooj bush interminglin wif every bit ov thi erf & thi sky, & then iss like every 1 ov those bits isnt juss a bit ov erf or a molicule ov air eny more, iss like ol ov them is suddenly a littl system ov ther own.
Those of us Erfs (as we call ourselves, although some use Dwelfs) have gathered and met in a Grand Council.