frontier, n.
(frontiers)
freq. cnt. 1
(frontiers)
freq. cnt. 1
a wilderness at the edge of a settled area of a country
<noun.location> freq. cnt.: 1 freq. cnt.: 1
frontier
sample sentences
"the individualism of the frontier in Andrew Jackson's day"
semantic pointers
hypernym
an undeveloped field of study; a topic inviting research and development
<noun.cognition>
frontier
sample sentences
"he worked at the frontier of brain science"
semantic pointers
hypernym
an international boundary or the area (often fortified) immediately inside the boundary
<noun.location>
frontier