culvert culvert /ˈkʌlvɝt/

noun

1. A transverse and totally enclosed drain under a road or railway  ( culvert )
   a transverse and totally enclosed drain under a road or railway
    The city built a new culvert to divert the rainwater underneath the main road.
   The city built a new culvert to divert the rainwater underneath the main road.
   
   

 arthritic arthritic /ɑːrˈθrɪtɪk/

adjective

1. Of or pertaining to arthritis  ( arthritic , creaky , rheumatic , rheumatoid , rheumy )
   of or pertaining to arthritis
    My creaky old joints
   my creaky old joints
    Rheumy with age and grief
   rheumy with age and grief
   

noun

1. A person afflicted with arthritis  ( arthritic )
   a person afflicted with arthritis
    The hands of an elderly arthritic
   the hands of an elderly arthritic
   
   

 hackney hackney /ˈhækni/

noun

1. A compact breed of harness horse  ( hackney )
   a compact breed of harness horse
    The hackney breed is known for its endurance in harness racing.
   The hackney breed is known for its endurance in harness racing.
   
   
2. A carriage for hire  ( hackney , hackney carriage , hackney coach )
   a carriage for hire
   

 safety lock safety lock /ˈseɪfti lɒk/

noun

1. A bolt that cannot be moved from outside the door or gate  ( safety bolt , safety lock )
   a bolt that cannot be moved from outside the door or gate
   
   
2. Guard consisting of a locking device that prevents a weapon from being fired  ( safety catch , safety lock )
   guard consisting of a locking device that prevents a weapon from being fired