Crossword clues for the word: LIGHTSHIP The word LIGHTSHIP has appeared as an answer to at least 5 crossword clues on different crossword puzzles. Crossword clues for LIGHTSHIP Showing 1 to 5 of 5 results Clue(s) Beacon-bearing boat Navigational craft easily performed last of tasks with it One anchored at sea sparks up joint Pilot's warning device. Sparks up joint, which attracts the attention of sailors