Question

what is a lexical gap?

Answer 1

A lexical gap or lacuna is an absence of a word in a particular language...
http://en.wikipedia.org/wiki/Lexical_gap

Answer 2

so, for example there is a word for a child who lost his parents(orphan) but we dont have a word for a parent who lost a kid??

Answer 3

yes

Answer 4

trying to think of other examples

Answer 5

Oh... that's really cool... I didn't know this.