Any plant of the genus Helianthus, so called probably from the form and color of its floral head, having the form of a large disk surrounded by yellow ray flowers.

Not able to be passed. / (tennis) Not able to be passed; not capable of being beaten at the net by a passing shot. / (LGBT) Unable to pass successfully as the gender one wishes to be seen as.

(medicine) Initialism of oral rehydration solution.

plural of feast