Antennular – Definition & Meaning

Antennular is a term that is often used in the field of biology to describe a specific part of crustaceans’ anatomy. The term refers to a small, specialized antenna that is found on the head of certain crustaceans. In this article, we will explore the definition and meaning of antennular, as well as its origin, associations, synonyms, and antonyms.


According to the Merriam-Webster dictionary, antennular is defined as “of or relating to an antennule.” An antennule is a small, paired appendage that is found on the head of many crustaceans, including lobsters, crabs, and shrimp. The antennule is used for sensory purposes, helping the crustacean to detect changes in its environment.


The term antennular comes from the Latin word “antenna,” which means “sail yard” or “yardarm.” The suffix “-ular” is a common adjectival ending in English, used to indicate “relating to” or “resembling.” Therefore, antennular can be understood to mean “relating to or resembling an antenna.”

Meaning in different dictionaries

In addition to the definition provided by Merriam-Webster, other dictionaries also provide definitions of antennular. The Oxford English Dictionary defines antennular as “of or relating to an antennule.” The Cambridge English Dictionary provides a similar definition, stating that antennular refers to “relating to or involving an antennule.”


Antennular is a term that is primarily used in the field of biology, specifically in the study of crustaceans. It is associated with the anatomy and physiology of these animals, and is used to describe a specific part of their sensory system.


There are several synonyms that can be used in place of antennular, including antennulary, antennal, and antennate. These terms all refer to the same general concept of something relating to or resembling an antenna.


There are no direct antonyms for antennular, as it is a very specific term that is not typically used in the context of opposites or contrasts.

The same root words

The root word of antennular is antenna, which can also be found in other related terms such as antennae, antennule, and antennal.

Example Sentences

  1. The antennular sensory system is crucial for the survival of many crustaceans.
  2. The lobster’s antennular flagellum is used to detect changes in water temperature.
  3. The shrimp’s antennular chemoreceptors help it to locate food in its environment.
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