Lee, 20, went on loan to the National League side last January, scoring one goal in 10 appearances.
"It's great to have Jordan back. He finished the season as one of our best players," Torquay player-manager Kevin Nicholson told the club website.
Lee is yet to make a Premier League appearance for Bournemouth, although he has played in two FA Cup fixtures.
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Torquay United have signed defender Jordan Lee on loan for a second time from Bournemouth until January.