# sac

Pronunciation: say "SAK" /sæk/

## Noun

1. A pouch-like part inside a plant or animal, typically filled with fluid.
   - Simple: A part shaped like a bag inside a plant or animal, usually filled with liquid or gas.
   - _The baby floats inside a sac of amniotic fluid until birth._
   - _When threatened, a squid squirts ink from a sac inside its body and darts away._
3. In a game, the act of giving up a piece or other resource deliberately in return for some gain. *(colloquial)*
   - Simple: In a game, a move where you give up a piece on purpose to get something better.
   - _The commentators called his knight sac on move twelve the best idea of the tournament._
   - _Early sacs can pay off, but only if the attack that follows is strong enough._
4. A former manorial privilege allowing a lord to judge cases and impose fines in courts he held, surviving only in the expressions “sac and soc” and “soc and sac”. *(UK)*
   - Simple: Long ago, a lord's right to hold courts, judge cases, and fine people. Now used only in "sac and soc."
   - _The charter granted the bishop sac and soc over all his estates in the county._
   - _A lord who held soc and sac could fine his tenants in his own court rather than send them to the king's._

## Verb

2. In a game, to sacrifice something, such as a chess piece, giving it up deliberately in return for some gain. *(colloquial)*
   - Simple: In a game, to give something up on purpose, like a chess piece, to gain something better.
   - _Grandmasters will sometimes sac a pawn early to seize the center._
   - _She won the match by saccing two creatures to power her final spell._

## Origin

**Meaning 1** — Borrowed from French sac. It is a doublet of saccus, sack, saco and sakkos, words that share the same origin.
**Meanings 2–3** — A clipping of sacrifice.

Source: DictionaryAI, https://dictionaryai.com/define/sac (written from Wiktionary data, CC BY-SA 4.0: https://creativecommons.org/licenses/by-sa/4.0/).