dictionary-el software package provides dictionary client for Emacs, you can install in your Ubuntu 16.10 (Yakkety Yak) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install dictionary-el
dictionary-el is installed in your system.
Make ensure the dictionary-el package were installed using the commands given below,
$ sudo dpkg-query -l | grep dictionary-el *
You will get with dictionary-el package name, version, architecture and description in a table
| Distro | Ubuntu 16 10 yakkety yak |
| Section | Text Processing |
| Package | dictionary-el |
| Version | 1.10-2 |
| Description | dictionary client for Emacs |
| Sub Section | text |