rook 2 
(rk)
(rk)n. Abbr. R
A chess piece that may move in a straight line over any number of empty squares in a rank or file. Also called castle.
[Middle English rok, from Old French roc, from Arabic ruḫḫ, from Persian.]
- Indo-European root: yek-
- Indo-European root: yes-
- Indo-European root: yeu-
- Indo-European root: yeug-
- Indo-European root: yewes-
- Indo-European root: yewo-
- Indo-European root: yu-
- Indo-European root: yē-
- Indo-European root: yēr-
- Indo-European root: yē̆kwr̥
- Indo-European root: āter-
- Indo-European root: ōku-
- Indo-European root: ōs-
- Indo-Germanic
- Indo-Hittite
- Indo-Iranian
- indole
- indoleacetic acid
- indoleamine
- indolebutyric acid
- indolence
- indolent
- indolently
- Indomalayan
- indometacin