Brief; concise. Often used in the adverbial form '手短に' to mean 'briefly'.
会議は手短に済ませましょう。
Let's keep the meeting brief.
手短に言うと、計画は中止になりました。
To put it briefly, the plan was cancelled.
時間がないので、手短に自己紹介してください。
We don't have much time, so please introduce yourself briefly.