くちびるkuchibiru
1.

A soft and sensitive part of the mouth that is covered by thin skin, playing a crucial role in eating, speaking, and expressing emotions.

2.

The outer edge of the mouth that facilitates communication and interaction, often associated with beauty and aesthetic appeal in both nature and art.

3.

A metaphorical term representing close relationships or influences, as in expressions where the absence of lips signifies a significant loss or impact on connected entities.

Example:

冬はがあれます。

したくちびる下唇shitakuchibiruかしん下唇kashin
1.

The lip located at the bottom part of the mouth, which works alongside the upper lip for functions such as holding objects and forming sounds when speaking.

2.

The anatomical structure in an organism's mouth situated inferiorly, specifically notable in arthropods, where it can refer to a modified appendage related to the snapping or capturing of food.

3.

In botany, this term describes the lower section of a lip-like flower or floral structure, contrasting with its upper counterpart, which contributes to the flower's overall morphology and pollination processes.

こうしん口唇koushin
1.

A term used to refer to the outer, fleshy structures that form the mouth's border, playing a crucial role in speech, facial expressions, and food intake.

2.

A specific anatomical feature that encompasses both the upper and lower portions of the human mouth, often involved in various functions such as eating, speaking, and conveying emotions.

3.

A formal or literary expression denoting the region of the mouth commonly associated with the act of kissing and expressions of affection.

どくしんじゅつ読唇術dokushinjutsu
1.

A skill used primarily by individuals who are deaf or hard of hearing, involving the interpretation of spoken words by observing the movements and shapes of the speaker's lips.

2.

The technique that enables a person to understand what another is saying by closely watching their lip movements, particularly useful in situations where auditory communication is not possible.

3.

An ability to infer spoken language by visually analyzing how a speaker's lips move, allowing those with hearing impairments to participate in conversations.

じょうしん上唇joushinうわくちびる上唇uwakuchibiru
1.

The part of the mouth located above the lower lip, often involved in articulation and facial expressions.

2.

A prominent feature of the human face that plays a role in speech and the consumption of food.

3.

The upper boundary of the oral cavity, distinct from the lower lip and contributing to the overall structure of the mouth.

4.

In certain insects, a structural component of the mouthparts that covers the mandibles, typically found in specimens with a chewing type of mouthpart, such as grasshoppers.

5.

The upper segment of a bilabiate (two-lipped) flower's corolla or calyx, characterized by its unique shape in botanical terminology.