Wiktionary(0.00 / 0 votes)Rate this definition: 1  opponent(Noun) An individual or group who is a rival of another. 2  opponent(Noun) One who attempts to stop the progression of. 3  opponent(Noun) One who objects to.  opponent(Noun) In team sports, a player of an opposite team.
The fishing season begins the Saturday of Memorial Day weekend (usually the last weekend in May) and extends through and includes the first Sunday in November. Exceptions are noted in each of the Regional Regulations sections within the Fishing Regulations handbook (4 MB pdf).
Beginning May 16 permanent rules resume as listed in the 2015 Oregon Sport Fishing Regulations. SMELT. Effective Saturday, March 7 and Sunday, March 15, from 6 a.m. until noon the Sandy River will be open for retention of smelt.