13-Letter Words Containing: O,R,R,I,S,H

• an instrument that indicates whether two periodic motions are synchronous (especially an instrument that enables a pilot to synchronize the propellers of a plane that has two or more engines)

• the fruit of the chokecherry tree

• a common wild cherry of eastern North America having small bitter black berries favored by birds

• failure of one or both testes to move into the scrotum as the male fetus develops

• the territorial jurisdiction of an archbishop

• abnormal enlargement of a body part or organ

• undergo hypertrophy

• the science of the measurement and description and mapping of the surface waters of the earth with special reference to navigation

• an antibiotic (trade name Erythrocin or E-Mycin or Ethril or Ilosone or Pediamycin) obtained from the actinomycete Streptomyces erythreus; effective against many Gram-positive bacteria and some Gram-negative