laser vs laser beam

laser

• A beam of light produced by such a device; a laser beam. 

• A laser printer. 

• A device that produces a monochromatic, coherent beam of light. 

• Such a plant. 

• A gum resin obtained from certain umbelliferous plants. 

• To cut with a laser. 

• To throw or kick with laser-like precision. 

laser beam

• The light emitted by a laser. 

• A low, hard-hit or -thrown ball.