/muy op"euhr euhm/ , n.
any of several shrubs or trees of the genus Myoporum, chiefly of Australia and New Zealand, cultivated in warm regions as hedges or ornamentals.
[ mý ( ein ) to shut (the eyes) + NL -porum, deriv. of LL porus PORE 2 , alluding to the spots on the leaves, suggesting closed pores ]