Wiktionary
n. (context sports English) An instance of a player being send off#Verb; a dismissal from the field of play. vb. (present participle of send off English)
Usage examples of "sending off".
They placed their top priority on sending off couriers to cover the entire Gulf.
She ignited her balloon while sending off fireworks, but she did not fall, and she would not have been killed, probably, had not her car dashed against a chimney and precipitated her to the ground.
Two days after sending off their couriers, they got word of Edward's accident.
In the exchange of correspondence with Jefferson he continued to be by far the more productive, sending off thirteen letters to Monticello in the year 1819, for example, or more than two for every one from Jefferson.
But here I was, sending off pages and pages of stuff to you and never getting even a postcard back, so to speak, and the time was passing—.
The instincts she had developed during her years as an investigative reporter were sending off steady warning signals, and she obeyed them now as she had obeyed them then.
There was no way that Rand could have stopped Merana from sending off a pigeon.