Citrous fruit and Edible fruit

Citrous fruit noun - Any of numerous fruits of the genus Citrus having thick rind and juicy pulp; grown in warm regions.

Edible fruit and citrous fruit are semantically related. In some cases you can use "Edible fruit" instead a noun phrase "Citrous fruit".

Edible fruit noun - Edible reproductive body of a seed plant especially one having sweet flesh.

Citrous fruit and edible fruit are semantically related. Sometimes you can replace phrase "Citrous fruit" with "Edible fruit", this phrases are similar.