■ verb ( ~s , ~ring , ~red )
1》 happen; take place.
2》 exist or be found to be present in a place or under a particular set of conditions: radon ~s naturally in granite.
3》 ( ~ to ) come into the mind of.
Origin
C15: from L. ~rere 'go to meet, present itself', from ob- 'against' + currere 'to run'.