Wa Alaikum Assalam - "And on you be peace." The reply to the Muslim greeting of "Assalamu Alaikum." (peace be on you).
Wahy - Revelation which consists of communicating God's Messages to a Prophet or Messenger of God. The highest form of revelation is the Quran of which even the words are from God.
Waihaka - May Allah have mercy on you.
Wailaka - Woe upon you!
Wala - The right to inherit the property of a slave you free.
Wali - Means guardian.
Walimah - A marriage banquet.
Waqf - Endowment, a charitable trust in the name of Allah.
Wars - A kind of shrub used for coloring yellow.
Wasaya - Wills or testaments.
Al-Wasil - One who keeps good relations with his kith and kin.
Wasilah - The means of approach or achieving closeness to Allah by getting his favors.
Wisal - Observing Saum (fast) for more than one day.
Witr - Means 'odd number'. Witr rakahs are odd number of rakahs such as 1, 3, 5, said after ones night prayer.
Wudu - Refers to the absolution made before performing the prescribed Prayers.