RCW 68.04.040: "Cemetery."

"Cemetery" means: (1) Any one, or a combination of more than one, of the following, in a place used, or intended to be used for the placement of human remains and dedicated, for cemetery purposes:

(a) A burial park, for earth interments.

(b) A mausoleum, for crypt interments.

(c) A columbarium, for permanent niche interments; or

(2) For the purposes of chapter 68.60 RCW only, "cemetery" means any burial site, burial grounds, or place where five or more human remains are buried. Unless a cemetery is designated as a parcel of land identifiable and unique as a cemetery within the records of the county assessor, a cemetery's boundaries shall be a minimum of ten feet in any direction from any burials therein.