Find the word definition

The Collaborative International Dictionary
Rattooning

Rattoon \Rat*toon"\, v. i. [imp. & p. p. Rattooned (-t[=oo]nd"); p. pr. & vb. n. Rattooning.] [Cf. Sp. reto[~n]ar.] To sprout or spring up from the root, as sugar cane from the root of the previous year's planting.

Wiktionary
rattooning

vb. (present participle of rattoon English)