1. The act
or offense of grubbing up trees
and bushes, and thus
destroying the tickets or coverts of a forest.
2. A piece
cleared of trees
and bushes, and fitted for cultivation; a clearing. Assart earth, forest earth
cleared of woods and brush.
Origin: OF. Essart the grubbing up of trees, fr. Essarter to grub
up or clear ground
of bushes, shrubs, trees, etc, fr. LL. Exartum, exartare, for exsaritare; L. Ex + sarire, sarrire, saritum, to hoe, weed.
up, as trees; to commit an assart
upon; as, to assart earth
Source: Websters Vocabulary