trap 3 
(trăp)
(trăp)n.
Any of several dark, fine-grained igneous rocks often used in making roads.
[Swedish trapp, from trappa, step, from Middle Low German trappe.]
- laughing jackass
- laughingly
- laughingstock
- laugh in one's sleeve
- laugh in sleeve
- laughline
- laugh line
- laugh off
- laugh off (or away)
- laugh out of the other side of mouth
- laugh out of the other side of (one's) mouth
- laugh out of the other side of one's mouth
- laughter
- laugh track
- laugh up/in (one's) sleeve
- laugh up one's sleeve
- laugh up sleeve
- launce
- launch
- launch
- launcher
- launching pad
- launch pad
- launch vehicle
- launder