What is another word for ectental line?
Pronunciation: [ɛktˈɛntə͡l lˈa͡ɪn] (IPA) 
An "ectental line" refers to a line that symbolizes the outer limits or boundary of a particular area or object. There are several synonyms for this term that can be used interchangeably to convey the same meaning. One such synonym is "perimeter", which describes the outer edge or boundary of an object or space. Another synonym is "outline", which emphasizes the outer shape or contour of something. Similarly, "boundary" can be used to describe the dividing line between one area and another. Lastly, "border" also serves as a synonym for an ectental line, referring to the separating line between two adjacent spaces or regions.
