1. organelle a specialized part of a cell; analogous to an organ
  2. originally with reference to the origin or beginning
  3. marginally in a marginal manner
  4. Trigonella Old World genus of frequently aromatic herbs
  5. Jordanella flagfishes
  6. ear canal either of the passages in the outer ear from the auricle to the tympanic membrane
  7. Argonne an American operation in World War I
  8. jargon technical terminology characteristic of a particular subject
  9. original preceding all others in time
  10. marginalia notes written in the blank space around the text on a page
  11. Oregon lily lily of western North America with showy orange-red purple-spotted flowers
  12. aragonite a mineral form of crystalline calcium carbonate
  13. jarringly in a manner that jars and irritates
  14. Argonauta type genus of the family Argonautidae: paper nautilus
  15. arginine a bitter tasting amino acid found in proteins and necessary for nutrition; its absence from the diet leads to a reduced production of spermatozoa
  16. argonaut someone engaged in a dangerous but potentially rewarding adventure
  17. arguable open to argument or debate
  18. marginal at or constituting a border or edge
  19. Argonaut (Greek mythology) one of the heroes who sailed with Jason in search of the Golden Fleece
  20. argonon any of the chemically inert gaseous elements of the helium group in the periodic table

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