Radical 146 or radical west (襾部) meaning "cover" or "west" is one of the 29 Kangxi radicals (214 radicals in total) composed of 6 strokes.

In the Kangxi Dictionary, there are 29 characters (out of 49,030) to be found under this radical.

覀, a variant form of 襾, is the 126th indexing component in the Table of Indexing Chinese Character Components predominantly adopted by Simplified Chinese dictionaries published in mainland China, with 西 listed as its associated indexing component.