reroll

re- +‎ roll

reroll (third-person singular simple present rerolls, present participle rerolling, simple past and past participle rerolled)

1. (transitive) To roll, or roll out, again.

   to reroll steel

2. (transitive, intransitive, dice games) To roll (dice) again.

   A player who rolls two sixes can reroll the dice for an additional turn.

   You can reroll if you don't like your character's initial stats.

   • 1963, Arthur Upfield, The Lake Frome Monster, London: Pan Books, published 1969, page 21:

     [T]he others worked preparing breakfast and re-rolling swags.

3. (transitive, programming) To convert (an unrolled instruction sequence) back into a loop.
   • 2012, Monica S. Lam, A Systolic Array Optimizing Compiler, page 143:

     Their procedure is to unroll the loop once, trace schedule the two iterations, and then reroll the loop into one.

4. (gaming) To try again for a different result.

reroll (plural rerolls)

1. (dice games) A situation in the rules of certain dice games where a player is given the option to reroll an undesirable roll of the dice.

• Orrell, Roller, roller