Definition of "props"

props¹

noun
1. plural of prop
2. (obsolete) A game of chance using four seashells (each called a prop).
verb
1. third-person singular simple present indicative of prop

props²

noun
plural only
1. (slang) Respect for, or recognition of, another person; an expression of approval or a special acknowledgment; accolades; praise.
  Quotations
  I also want to acknowledge state senator Elaine Alquist who is here... I always want to give her her props.
  2007, Barack Obama (speaking at Google on November 14, 2007Candidates at Google: Barack ObamaPublic Policy Blog. Candidates at Google: Barack Obama )
interjection
1. (slang) An acclamation of respect or recognition.