Larry Bird capped a 47-point performance by hitting a 10-foot jumper with three seconds left in overtime last night to give the Boston Celtics a 120-119 National Basketball Assocation victory over the Trail Blazers in Portland, Ore.

Bird's point total tied his season high. He hit 21 of 34 field-goal tries, including three three-pointers. He also grabbed 14 rebounds and handed out 11 assists -- his second "triple double" in as many nights -- as the Celtics won for the 19th time in their last 21 games.

Jerome Kersey gave Portland a 119-118 lead with a spinning five-foot bank shot with 17 seconds left in overtime.

After a timeout, the Celtics worked the ball to Bird, who drove the center of the key and sank the jumper.

Kiki Vandeweghe scored a season-high 38 points for Portland. Kersey scored 21, and Clyde Drexler added 20 for the Trail Blazers. Lakers 141, Hawks 117

Kareem Abdul-Jabbar scored 25 points and James Worthy added 20, and Los Angeles maintained its domination of Atlanta with the triumph in Inglewood, Calif.

Magic Johnson added 18 points, 16 assists and 12 rebounds and Kurt Rambis had 15 points and 12 rebounds as Los Angeles recorded its 12th straight victory over Atlanta. The Lakers have not fallen to the Hawks since Dec. 1979.

Atlanta's Dominique Wilkins finished with 29 points. Spud Webb added 13 points for the Hawks. Pistons 119, Mavericks 110

Vinnie Johnson scored 22 points and Earl Cureton added 18 to lead Detroit over Dallas in Pontiac, Mich. The victory was Detroit's fifth in its last six games and 12th in its last 16.

Seven players scored in double figures for the Pistons. Bill Laimbeer and Kelly Tripucka had 16 points each, Joe Dumars had 15, Isiah Thomas 12 and Kent Benson 10.

Mark Aguirre scored 27 points for Dallas, Sam Perkins 19 and Jay Vincent 14. Suns 112, Nuggets 95

Walter Davis scored 21 of his 25 points in the second half, including 12 in the fourth quarter, as Phoenix beat visiting Denver.

Denver, down by 61-48 at halftime, used eight points by Lafayette Lever and Alex English's layin with 1:35 left to close the gap to 74-72 with 1:35 left in the third quarter.

Davis then sank a layup and a jumper to put Phoenix ahead, 78-72, entering the fourth quarter.

Edwards finished with 18 points, and Charles Pittman had 17 and Larry Nance 16 for Phoenix, which won for the sixth time in its last nine games.

English, the NBA's leading scorer with a 29.1 average, led Denver with 29 points. Calvin Natt and Mike Evans added 14 each for the Nuggets, who lost for the fifth time in their last seven games.

The Denver Post reported that the Nuggets had reached agreement with English on a four-year, $6.4 million contract. Pacers 104, Bulls 88

Herb Williams scored a career-high 39 points in Chicago to lead Indiana to only its third victory in 23 road games this season.

Vern Fleming chipped in with 15 points, and Wayman Tisdale and Ron Anderson had 12 each for Indiana. Chicago was led by rookie Charles Oakley, who scored 17 points.