eta

Noun eta has 2 senses

• eta(n = noun.group) basque fatherland and liberty, basque homeland and freedom, euskadi ta askatasuna - a terrorist organization organized in 1959 by student activists who were dissatisfied with the moderate nationalism of the traditional Basque party; want to create an independent homeland in Spain's western Pyrenees; "in 1968 ETA launched a campaign of political assassinations of government officials"
is a kind of foreign terrorist organization, fto, terrorist group, terrorist organization

• eta(n = noun.communication) - the 7th letter of the Greek alphabet;
is a member of greek alphabet
is a kind of alphabetic character, letter, letter of the alphabet