To dream of a cancer, denotes illness of some one near you, and quarrels with those you love. Depressions may follow to the man of affairs after this dream.
To dream of a cancer, foretells sorrow in its ugliest phase. Love will resolve itself into cold formality, and business will be worrying and profitless. ... Ten Thousand Dream Interpretation
The dreamer’s mental, psychic or emotional problems may be proliferating and infecting many areas of thought and function. You may be experiencing anxiety and fear as a result of a bad habit or a certain situation in your daily life. However, if you are very worried and cannot get it out of your mind, go for a physical. When is the last time you did that anyway? In more superstitious interpretations, dreaming of cancer may be considered a dream of the contrary, but also of warning!... The Bedside Dream Dictionary
2- Intellectually we may have worked through our fears but still be left with attitudes and beliefs that cannot be cleared away. Very often this appears as cancer in dreams.
3- The Mother, the Moon and the astrological sign of Cancer.... Ten Thousand Dream Dictionary
A dream about having cancer may be a literal early warning sign that should be taken seriously and lead you to seek medical advice.... Ariadne's Book of Dream
The crab’s appearance may announce that a nurturing and caring individual has come your way or signify a need to make your home a more comfortable place. Finally, Cancer, the Crab, may be a warning sign that you are becoming a mother hen.... Ariadne's Book of Dream
The crab can also, because of the way it moves, denote deviousness.
2- By word association the crab can represent sickness, or something eating away at us.
3- The Astrological sign of Cancer and the Great Mother (see Introduction) are represented by the crab.... Ten Thousand Dream Dictionary
Scuttling about, carrying half truths with you wherever you go.
The hard shell of the crab equates to armor that you may use for protection.
Metaphorically, a crabby or grabby personality manifesting itself.
A life in limbo. Among Buddhists, a crab is used to represent the time between death and the next incarnation. Perhaps you feel like everything is on “hold” right now.
If so, just be patient.
A fresh beginning is around the corner.... The Language of Dreams
The crab apple is small and sour and therefore has this same connotation.... Dream Meanings of Versatile
The crab can also, because of the way it moves, denote deviousness.... Dream Meanings of Versatile
The way the crab is moving is important. You are not pursuing your goal in a straightforward line, but coming at it from the side. See Scorpion, Fish.
ASTROLOGY: A symbol of the emotions.
Folklore: The crab is considered a messenger that brings bad luck, illness, and death.... Little Giant Encyclopedia
Vision: Looking at one or more crabs: your plans are delayed (one step forward—three steps back) and it will take time to get back on track.
If you or others are eating crabs: your financial situation will improve. Having cancer: somebody wants to destroy your livelihood—expose this as quickly as possible!
Depth Psychology: This animal is a sign that some of your personality traits are in conflict with your values and/or the environment. Seeing a crab in your dreams often means you are too accommodating.
If you dream that you have cancer, it is important to know where the cancer is located (the head, neck, chest, stomach, etc.).... Dreamers Dictionary
The claws could be symbolic of a clinging and hurtful person, or a side of your own personality. There may be too much dependence, clinging and forcefulness in your life.
The crab may also symbolize your inability to effectively move forward and address your own difficulties. (Remember the crab often moves sideways or backwards.) Some folklore interpretations say that the crab is an omen of poor health. However, there is a more positive interpretation for the crab in your dream. In some areas of metaphysics, the crab is a representative of the sea and the sky. It represents physical nourishment which can be obtained from the sea and also intellectual nourishment. As with all water dwelling animals, the crab could also represent something in the unconscious and the emotions. See also: Animals, Cancer ... The Bedside Dream Dictionary