SPabbr.1. self-propelled2. shore patrol3. single pole4. specialist5. submarine patrolAmerican Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.sp abbreviation for (Law) without issue [from Latin sine prole]SP abbreviation for 1. (Electronics) standard play: the standard recording speed on a VCR 2. (Commerce) starting price n slang Brit latest information Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014SP 1. Shore Patrol. 2. Socialist Party. Sp or Sp., 1. Spain. 2. Spanish. sp. 1. special. 2. species. 3. specific. 4. specimen. 5. spelled. 6. spelling. 7. spirit. s.p. without issue; childless. [