Japanese edit

For pronunciation and definitions of てんしゅ – see the following entries.
天主
[proper noun] (Christianity) the Lord of Heaven
店主
[noun] shopkeeper; storekeeper; shopowner
天守
[noun] tenshu (a traditional Japanese architectural typology found at the top of Japanese castles, easily identified as the highest tower within the castle)
(This term, てんしゅ, is the hiragana spelling of the above terms.)