bookends
Refers to a pair of bookends used to keep books upright on a shelf. Often used in the plural sense.
I put bookends on the desk and lined up the textbooks.
These bookends won't tip over even with heavy books.
Standard kanji spelling; the most common written form.
Abbreviated kanji spelling; less common but still seen.
Compound of 本 (hon, 'book') + 立て (tate, 'stand'). The reading ほんたて is standard; ほんだて is a less common variant.