teeth arm n. a military’s fighting troops, such as infantry, cavalry, and armored divisions. Editorial Note: Troops not in the teeth arm have supporting roles in technical, logistic, and administrative arms. (source: Double-Tongued Dictionary)
Further reading
For rock climbers, skiers, and other outdoor enthusiasts, the word send has taken on a whole new meaning. You might cheer on a fellow snowboarder with Send it, bro! — and being sendy is a really great thing. Plus: a nostalgic trip to Willa...
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