jigsaw
US /ˈdʒɪɡ.sɑː/
UK /ˈdʒɪɡ.sɑː/

1.
rompecabezas, puzle
a puzzle consisting of a picture printed on cardboard or wood and cut into many irregularly shaped interlocking pieces, which have to be fitted together to form the complete picture
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We spent the afternoon doing a 1000-piece jigsaw.
Pasamos la tarde haciendo un rompecabezas de 1000 piezas.
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The children enjoyed putting together the colorful jigsaw.
Los niños disfrutaron armando el colorido rompecabezas.
2.
sierra de calar, caladora
a power tool with a reciprocating blade used for cutting curves or other intricate shapes in wood or other materials
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He used a jigsaw to cut the intricate design into the wooden panel.
Usó una sierra de calar para cortar el intrincado diseño en el panel de madera.
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A jigsaw is essential for detailed woodworking projects.
Una sierra de calar es esencial para proyectos detallados de carpintería.