mouse• A mouseclick on a menuitem would do it.• a field mouse• Bill Atkinson quickly hacked a driverprogram that allowed the mouse to move a cursor on the computer screen.• It was the mouse that roared, even if the mouse happens to weigh 286 pounds.• The mouse controls a fly swatter.• Heatley stayed until 3.30 a.m., when all of the untreatedmice had died.
mouse2n verb
n1mouse over somethingphrasal verbphr vto use a computermouse to move the cursor over a particular thing on the screen
When you mouse over the menu, the different options appear.
From Longman Business Dictionary
mousemouse /maʊs/ noun (plural mouses or mice /maɪs/) [countableC]COMPUTING
1animal動物ADJECTIVE | VERB + MOUSE | MOUSE + VERB | MOUSE + NOUN | PHRASESADJECTIVE➤deer, field, house, etc.鹿鼠、田鼠、家鼠等➤laboratory實驗用鼠➤white白鼠VERB + MOUSE➤chase追逐老鼠➤catch抓老鼠➤kill殺滅老鼠➤breed繁殖老鼠MOUSE + VERB➤squeak老鼠吱吱叫➤run, scurry老鼠跑;老鼠竄➤gnaw sth老鼠啃咬⋯◇A mouse had gnawed its way through the cable.有老鼠咬穿了電纜。MOUSE + NOUN➤droppings老鼠屎➤hole老鼠洞➤trap (usually mousetrap)捕鼠器;捕鼠夾PHRASES➤as quiet as a mouse悄無聲息◇She crept upstairs, as quiet as a mouse.她躡手躡腳悄無聲息地上了樓。mouse
noun²
2for a computer計算機ADJECTIVE | VERB + MOUSE | MOUSE + NOUN | PREPOSITIONADJECTIVE➤optical, wireless光電/無線鼠標VERB + MOUSE➤click, double-click單擊/雙擊鼠標➤use使用鼠標➤drag, move拖動/移動鼠標MOUSE + NOUN➤button鼠標按鍵➤click鼠標的單擊◇Some of these mouse-click short cuts are worth learning.這其中的一些單擊鼠標快捷方式值得學習。➤cursor, pointer鼠標光標/指針➤mat, pad (especially NAmE) 鼠標墊➤port鼠標端口PREPOSITION➤with the mouse用鼠標◇You can move the cursor around the screen with the mouse.你可以用鼠標在屏幕上移動光標。➡ topic at computer