The islands in the West Indies that were formerly under British control, including the Bahamas, Saint Lucia, Antigua, Grenada, Jamaica, Barbados, and Trinidad WordNet 3.0 & Open English WordNet

The British West Indies were colonised British territories in the West Indies: Anguilla, the Cayman Islands, Turks and Caicos Islands, Montserrat, the British Virgin Islands, Antigua and Barbuda, The Bahamas, Barbados, Dominica, Grenada, Jamaica, Saint Kitts and Nevis, Saint Lucia, Saint Vincent and the Grenadines, British Guiana and Trinidad and Tobago. Wikipedia

British territories in the Caribbean, sometimes including former colonies Wikidata

The British colonies in around the Caribbean. Wiktionary