DICTIONARY
Segway - To see or ride a Segway in your dream suggests that you need to exercise more balance and control in your waking life. You need to approach your goals at a steady and even pace.
Seizures - To dream that you have a seizure indicates a lack of control in your life.
Self Defense - To dream that you are taking self defense indicates that you are on the defensive about some issue in your waking life. You feel that you are being picked on or criticized.
Self Storage - To dream that you are at a self storage facility relates to issues that you are keeping to yourself instead of confronting. Items that you put into storage symbolizes the past. You are still hanging to some part of your past and are not completely ready to move forward.
Self-Harm - To dream that you are harming yourself suggests that you are seeking attention. You are expressing a desperate cry for help. Alternatively, you are trying to disconnect yourself from the unbearable pain you are experiencing in an aspect of your life. If you also self-harm in real life, then you are urged to seek professional help. Dreaming of someone self-harming themselves indicates that you need to distance yourself from an unhealthy relationship.
Selfie - To dream that you are taking a selfie suggests that you may be focusing too much on yourself and not enough on others. Perhaps you are feeling out of touch with those around you. If you are taking a nude selfie of yourself, then the dream warns that you are letting your guard down in a situation where you need to be more vigilant. Alternatively, taking a nude selfie may represent a burst of self-confidence.
Selling - To dream that you are selling something indicates that you are undergoing changes in your waking life. You may be experiencing difficulties in letting go or parting with something. Learn to compromise. Alternatively, the dream may be a pun that you are "selling" yourself short.
Semen - *Please see Sperm.
Semi Truck - To see a semi truck in your dream indicates that you are feeling overburdened or that you are being taken advantage of. You feel that you are pulling more than your own weight and it is time that others share in some of the responsibilities. Alternatively, the dream symbolizes size, largeness and power. Dreaming of an overturned semi truck indicates that there is an unexpected setback in your plans or goals. Perhaps you are taking on more than you can handle.
Seminar - To dream that you are attending a seminar suggests that you are expanding your knowledge and understanding. There is something that you need to learn or incorporate into your understanding.