Definition of wreath:
(n) :
something twisted, intertwined, or curled; an ornamental circular band made e.g. of plaited flowers and leaves, and used as decoration; a
garland; a
chaplet, esp. one given to a
victor
"a wreath of smoke"
(v) :
to place an entwined circle of flowers upon or around something; to wrap around something in a circle
"at the funeral, a circle of comrades wreath the grave of the honored deceased."