noun, plural ol·al·lie·ber·ries.
  1. a blackberry that is a cross between the loganberry and the youngberry, cultivated in California and Oregon.

Origin of olallieberry

olallie < Chinook Jargon: berries < Lower Chinook úlali (ú-lalx camass + -ix deictic suffix, indicating a patch or region of something) + berry
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018