OTF adjective 1noun 1forms 1 adjective1 •Initialism of out-the-front, telescoping, describing a knife or sword which extends and retracts through a hole in one end of the handle, rather than folding (or having a fixed blade).He retracted the OTF blade into the hilt and walked away. Azrael's phone rang. He sighed and answered the call. “What?” “What the hell do you think you are doing?” “I took care of a small problem.” — 2014 noun1 •Initialism of orbital test flight. formsOTFs
