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demeanour
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demarcate

de·mar·cate [ di mr kàyt, d maar kàyt ] (past and past participle de·mar·cat·ed, present participle de·mar·cat·ing, 3rd person present singular de·mar·cates)


transitive verb 
Definition:
 
1. determine and set official borders: to decide on and set the boundaries of a piece of land

2. set down nonphysical bounds: to state in a clear way where something begins and ends

[Early 19th century. Back-formation <demarcation]

de·mar·ca·tor noun
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