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The Collaborative International Dictionary
Catenating

Catenate \Cat"e*nate\, v. t. [imp. & p. p. Catenated; p. pr. & vb. n. Catenating.] [L. catenatus, p. p. of catenare, fr. catena chain. See Chain.] To connect, in a series of links or ties; to chain.
--E. Darwin.

Wiktionary
catenating

vb. (present participle of catenate English)