Canadian Security Intelligence Service
noun/kəˌneɪdiən sɪˌkjʊərəti ɪnˈtelɪdʒəns sɜːvɪs/
/kəˌneɪdiən sɪˌkjʊrəti ɪnˈtelɪdʒəns sɜːrvɪs/
[singular] (abbreviation CSIS)
- a service of the Canadian government that investigates terrorism and similar threats to Canadian society
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Canadian Security Intelligence Service