wren

Short definition from Wiktionary

Noun

1. 1
   Troglodytes troglodytes (Eurasian wren, type species and sole Old World species of the family Troglodytidae).
2. 2
   Any member of a mainly New World passerine bird family Troglodytidae; a true wren.
3. 3
   Any small bird of similar appearance to a true wren, such as a fairywren or scrubwren.
4. 4
   A female member of the Royal Navy (a member of the WRNS)

Proper noun

1. 1
   A surname transferred from the nickname.
2. 2
   A surname transferred from the nickname: Sir Christopher Wren, English architect
3. 3
   A male or female given name from English from the noun wren.