<entry> <ent_seq>2018660</ent_seq> <k_ele> <keb>ペン胼胝</keb> </k_ele> <r_ele> <reb>ペンだこ</reb> </r_ele> <sense> <pos>&n;</pos> <gloss>callus on one's middle finger (from writing)</gloss> </sense> </entry>