A script type where the output is locked to the hash of a redeem script, enabling features like multi-sig.
P2SH pays to the hash of a redeem script stored off-chain until spend time. To spend, the spender reveals the redeem script and provides data that satisfies it.
"Multi-signature wallets often use P2SH so payers don’t need to know the full script, just the address."
All terms and definitions may update as the Cryptionary improves.