Encyclopaedia WoT: Arrow (Birgitte)

Arrow is a lean gray. (WH,Ch27) Arrow is a rangy gray gelding. (KoD,Ch32)

Birgitte rides Arrow out to meet Elayne in Caemlyn. (WH,Ch7)
Birgitte rides Arrow to the meeting with the Borderlands. (WH,Ch27)
Elayne rides Fireheart and Birgitte rides Arrow to the House on Full Moon Street to capture the Black Ajah sisters. (KoD,Ch31)
Birgitte races Arrow back to the Royal Palace to get help to rescue Elayne. Arrow is spent so she takes another horse to the rescue. (KoD,Ch32)