Small power boat on lake flipped over rock? (8)

From Times Cryptic 29574, 16D —

16D — Small power boat on lake flipped over rock? (8)SPARKLER

  • Definition
    Definition found: 'rock?' — The definition is the last word — read 'rock' as a jeweller would (the '?' flags the slang).
  • Indicator
    Indicator found: 'flipped over'
  • Operation
    'flipped over' signals a reversal operation
  • Fodder
    Fodder: 'on lake'
  • Abbreviation
    Abbreviations spotted: 'Small' → S
  • Abbreviation
    Abbreviations spotted: 'power' → P
  • Synonym
    Synonyms spotted: 'boat' → ARK
  • Synonym
    Synonyms spotted: 'on' → RE
  • Abbreviation
    Abbreviations spotted: 'lake' → L
  • Assembly
    S + P + ARK + (RE + L > REL > LER) = SPARKLER

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