The Collaborative International Dictionary of English v.0.48:

Tomcat \Tom"cat`\ (t[o^]m"k[a^]t`), n. [Tom (see Tomboy) +
   cat.]
   A male cat, especially when full grown or of large size.
   [1913 Webster]

WordNet (r) 3.0 (2006):

tomcat
    n 1: male cat [syn: tom, tomcat]

The Free On-line Dictionary of Computing (19 January 2023):

Tomcat
manager/html

    The Apache Software Foundation's web server for running
Java, Java
   Servlets, JavaServer Pages (JSP), Java Expression Language and
WebSockets.

   Tomcat includes a manager application that is typically accessible on
URL /manager/html.

   (https://tomcat.apache.org/)

   (2021-08-28)