Definitions in relation to their use in kangaroo words, taken from Google Dictionary, and edited for formatting.
Kangaroo word: rotund
Joey word: round
rotund (adjective): round or spherical.
round (adjective): shaped like or approximately like a circle or cylinder.
The letters R, O, U, N, and D found within the kangaroo word “rotund” arrange in the listed order to complete the joey word “round”. While a word can have multiple definitions, in relation to their use with kangaroo words, these two words share a similar meaning: shaped like a sphere or circle.