Term: Spar Image: [{"name":"images\/public\/dictionary\/Spar_ag1mhk6o.jpg","usrName":"Spar.jpg","size":91042,"type":"image\/jpeg","thumbnail":"images\/public\/dictionary\/thSpar_p0z0g6e0.jpg","thumbnail_type":"image\/jpeg","thumbnail_size":34669,"searchStr":"Spar.jpg,!:sStrEnd"}] Definition: Masts, booms, gaffs and poles used in sailboat rigging.