Arranged in tandem (one behind the other).(adjective)
Arranged in tandem (one behind the other).(adverb)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "tandemwise" in a sentence
"A mile farther on he overtook, on a slight rise, an immense tree trunk slung between three pairs of wheels and dragged by two tremendous horses, harnessed tandemwise."
"In Regent's Park he saw her produce a brilliant pair of scarlet worsted reins, gay with bells; heard her hiss like any proper groom as tandemwise she harnessed David and"