to make an attempt to do something
to make an attempt at (something)
to test or operate (a device, etc) to see if it is working
Try the light again now
to investigate or approach (something or somebody) to determine suitability or effectiveness
Try the shop next door
to conduct the trial of (an accused person)
to investigate (a case or issue) judicially
to make severe demands on (somebody's patience, endurance, etc)
to melt (fat, lard, etc) in order to separate out any impurities
known to be reliable
informal to try to do something
I'll try and finish the work today
to test (something) for its suitability
Brit, informal to test somebody's credulity or patience
to attempt (something new)