(ˈbrɛdθˌweɪz, ˈbrɛtθ-) or especially US breadthwise (ˈbrɛdθˌwaɪz, ˈbrɛtθ-)
adverb
from side to side
breadthways in American English
(ˈbredθˌweiz, ˈbretθ-, ˈbreθ-)
adverb
in the direction of the breadth
Also: breadthwise (ˈbredθˌwaiz, ˈbretθ-, ˈbreθ-)
Word origin
[1670–80; breadth + -ways]This word is first recorded in the period 1670–80. Other words that entered Englishat around the same time include: bonding, fund, routine, splutter, template