Wordnet 3.0
NOUN (1)
1.
a region that is related ethnically or historically to one country but is controlled politically by another;
[syn: irredenta, irridenta]
The Collaborative International Dictionary of English v.0.48:
irredenta \irredenta\ n.
A region that is related ethnically or historically to one
country but is controlled politically by another.
Syn: irridenta.
[WordNet 1.5]
WordNet (r) 3.0 (2006):
irredenta
n 1: a region that is related ethnically or historically to one
country but is controlled politically by another [syn:
irredenta, irridenta]