paddock(n = noun.artifact) - pen where racehorses are saddled and paraded before a race;
is a kind of pen
A toad or frog. [1913 Webster]
1. A small inclosure or park for sporting. [1913 Webster]
2. A small inclosure for pasture; esp., one adjoining a stable. Evelyn.
3. An enclosure used for saddling and mounting horses prior to a race. [PJC]
paddock, n.
1 a small field, esp. for keeping horses in.
2 a turf enclosure adjoining a racecourse where horses or cars are assembled before a race.
3 Austral. & NZ a field; a plot of land.
Etymology:
app. var. of (now dial.) parrock (OE pearruc): see PARK
N inclosure, envelope, case, wrapper, girdle, pen, fold, pen fold, in fold, sheep fold, paddock, pound, corral, yard, net, seine net, wall, hedge, hedge row, espalier, fence, pale, paling, balustrade, rail, railing, quickset hedge, park paling, circumvallation, enceinte, ring fence, barrier, barricade, gate, gateway, bent, dingle, door, hatch, cordon, prison, dike, dyke, ditch, fosse, moat.