dais
The base word for lecturn is "lecture."
guru
I think they want dice but that's not really right because one of them is more properly a die.
Lecturn
lego
I'm guessing you are asking about the root for lectern, as there is no such word as lecturn. Lectern is from the Latin word legere which means "to read."
Candles, lecturn, large crusifix (catholic churches), bible e.t.c
A podium is an elevated platform for a lecturer or orchestra conductor, while a lectern is a reading stand for a public speaker
Your options on how to build a lectern are many and varied. A good place to start would be e-How, How-to, Article Cell, e-Build or even Woodwork Forums.
A lecturn is a small pedistal type podium that can be portable and used for giving lectures, speeches, sermons, performing ceremonies such as weddings, commencements, etc. Also, can be used as a sheet music stand for conducting orchestral arrangements.
That would depend upon your school's setup. It's not a problem to get a wireless lectern, but you may need a receiver to connect it to the school's PA system. Here's one for 1700$ grainger.com/Grainger/items/4CVP1.
A stand on which is a bookrest. On the lectern usually rests a Bible and it is from the lectern that the Bible is read during church services. Sometimes lecterns are plain and simple - made from wood. Sometimes, however they can be very ornate. The usual form of lectern that is found in very old churches is a brass stand on which is mounted a large brass eagle and the Bible is placed on the eagle's back on its outstretched wings. This symbolises the message of the Bible flying to all corners of the world as the Word of God is proclaimed from the lectern.