Dictionary of Ichthyology  

longliner = a fishing vessel employing longlines. Several automatic or semi-automatic systems are used on larger boats to bait the hooks and to shoot and haul the lines.

Faroe Islands longliner from Wikimedia Commons: http://commons.wikimedia.org/wiki/File:Le_palangrier_c%C3%B4tier_%E2%80%98%E2%80%99Nor%C3%B0s%C3%B8ki%E2%80%98%E2%80%99_(2).jpg

Canadian Museum of Nature
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