forty-five forty-five /ˈfɔrtiːˌfaɪv/

adjective

1. Being five more than forty  ( 45 , forty-five , xlv )
   being five more than forty
   

noun

1. A .45-caliber pistol  ( forty-five )
   a .45-caliber pistol
    The security guard was trained to use a forty-five for emergencies.
   The security guard was trained to use a forty-five for emergencies.
   
   

 laboratory laboratory /ˈlæbrəˌtɔri/

noun

1. () A workplace for the conduct of scientific research  ( research lab , research laboratory , science lab , lab , laboratory , science laboratory )
   a workplace for the conduct of scientific research
    The students conducted their experiment in the laboratory
   The students conducted their experiment in the laboratory
   
   
2. A region resembling a laboratory inasmuch as it offers opportunities for observation and practice and experimentation  ( laboratory , testing ground )
   a region resembling a laboratory inasmuch as it offers opportunities for observation and practice and experimentation
    The new nation is a testing ground for socioeconomic theories
   the new nation is a testing ground for socioeconomic theories
    Pakistan is a laboratory for studying the use of American troops to combat terrorism
   Pakistan is a laboratory for studying the use of American troops to combat terrorism
   
   

 catchweed catchweed /ˈkætʃwiːd/

noun

1. Annual having the stem beset with curved prickles; North America and Europe and Asia  ( catchweed , cleavers , clivers , Galium aparine , goose grass , spring cleavers )
   annual having the stem beset with curved prickles; North America and Europe and Asia
   
   

 scrub plane scrub plane /skrʌb pleɪn/

noun

1. A narrow woodworking plane used to cut away excess stock  ( scrub plane )
   a narrow woodworking plane used to cut away excess stock
    He used the scrub plane to smooth out the uneven wooden board.
   He used the scrub plane to smooth out the uneven wooden board.