birch

US /bɝːtʃ/
UK /bɝːtʃ/
1.

a slender, fast-growing tree that has thin bark (often peeling) and bears catkins. Birch trees grow chiefly in north temperate regions, some reaching the northern limit of tree growth.

2.

a formal punishment in which a person is flogged with a bundle of birch twigs.

:
there were calls to bring back the birch
1.

beat (someone) with a bundle of birch twigs as a formal punishment.

:
the school would attempt to birch them into submission