hook-and-ladder truck \hook"-and-lad"der truck\, hook and ladder truck \hook" and lad"der truck\, hook and ladder \hook" and lad"der\, n. A firefighting truck equipped with a ladder extendable to great length, for access to the upper stories of buildings; it also carries other firefighting equipment; called also ladder truck. [PJC]

Source: The Collaborative International Dictionary of English v.0.48
 

ladder company \ladder company\, ladder truck \ladder truck\n. Same as hook-and-ladder company, hook-and-ladder truck. [PJC]

Source: The Collaborative International Dictionary of English v.0.48
 

ladder truck

Source: WordNet (r) 2.0