机上 （キジョウ） on the desk, theoretical, academic, armchair (e.g. plan), desktop, paper, not yet implemented

几案 （キアン） desk

明窓浄机 （メイソウジョウキ） dustless desk by a well-lit window, well-lit and clean study conducive to learning

机 （つくえ） desk

机に向かう （つくえにむかう） to sit at a desk (to study), to be at one's desk, to set to work on revision, homework, etc.

片袖机 （かたそでづくえ） desk with a tier of drawers on one side

八足の机 （やつあしのつくえ） eight-legged table (used as a stand for religious offerings, etc.)