Definition of "buttressing" [buttressing]

• Present participle of buttress. (verb)

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• "The arrival of Bruce Lehman and Allan Timmerman were very important in buttressing the finance side of this research area."
• "The top of the peak has a slightly slanting surface of perhaps twenty square yards, very irregular in outline; -- southwardly the morne pitches sheer into a frightful chasm, between the converging of two of those long corrugated ridges already described as buttressing the volcano on all sides."
• "What's really kind of buttressing your gross margin line there in Q1?"