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(Zoology) zoology (of organisms showing radial symmetry) situated away from or opposite to the mouth; aboral
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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|Adj.||1.||abactinal - (of radiate animals) located on the surface or end opposite to that on which the mouth is situated|
actinal - (of radiate organisms) located on the surface or end on which the mouth is situated
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