### Clue: Reaching across tabletop, partygoers spilt gin (10)
### Answer: TRAVERSING 
 ### Explanation: Definition: Reaching across
 **1st letter of**(…top, in a down clue) "table" + RAVERS(partygoers/those at a rave/a lively event involving dancing and drinking) + **anagram of**(spilt) GIN.