Or to echo article, the dictionary is made out of weights.
In the current versions of FreeBSD, NetBSD, DragonFlyBSD, Illumos, and Debian, it is still /usr/share/dict .
* https://cgit.freebsd.org/src/tree/share/dict/
* https://cvsweb.netbsd.org/bsdweb.cgi/src/share/dict/
* https://gitweb.dragonflybsd.org/?p=dragonfly.git;a=tree;f=sh...
* https://cvsweb.openbsd.org/src/share/dict
* https://refspecs.linuxfoundation.org/FHS_3.0/fhs/ch04s11.htm...
* https://packages.debian.org/sid/all/wbritish/filelist
Amusingly for https://en.wikipedia.org/wiki/Special:Diff/325776830 , the last place to use /usr/dict (Debian, which changed it in 1998; Berkeley having changed it in Net/2 in 1991) stopped doing so years before Wikipedia was invented.